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Finding the Fourth Proportional to 169,805.70, 254,708.55 and 151,434.90

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Solution

The fourth proportional to 169,805.70, 254,708.55 and 151,434.90 is: 227,152.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,805.70 : 254,708.55 = 151,434.90 : x
  2. Step 2: Convert to fraction form
    169,805.70/254,708.55 = 151,434.90/x
  3. Step 3: Cross multiply
    169,805.70x = 254,708.55 × 151,434.90
  4. Step 4: Simplify right side
    169,805.70x = 38,571,763,798.40
  5. Step 5: Solve for x
    x = 38,571,763,798.40/169,805.70
  6. Step 6: Final answer
    x = 227,152.35

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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.