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Finding the Fourth Proportional to 169,972,034.60, 254,958,051.90 and 155,800,274.60

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Solution

The fourth proportional to 169,972,034.60, 254,958,051.90 and 155,800,274.60 is: 233,700,411.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,972,034.60 : 254,958,051.90 = 155,800,274.60 : x
  2. Step 2: Convert to fraction form
    169,972,034.60/254,958,051.90 = 155,800,274.60/x
  3. Step 3: Cross multiply
    169,972,034.60x = 254,958,051.90 × 155,800,274.60
  4. Step 4: Simplify right side
    169,972,034.60x = 39,722,534,497,501,048
  5. Step 5: Solve for x
    x = 39,722,534,497,501,048/169,972,034.60
  6. Step 6: Final answer
    x = 233,700,411.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.