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Finding the Fourth Proportional to 169,332.60, 253,998.90 and 153,780.60

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Solution

The fourth proportional to 169,332.60, 253,998.90 and 153,780.60 is: 230,670.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,332.60 : 253,998.90 = 153,780.60 : x
  2. Step 2: Convert to fraction form
    169,332.60/253,998.90 = 153,780.60/x
  3. Step 3: Cross multiply
    169,332.60x = 253,998.90 × 153,780.60
  4. Step 4: Simplify right side
    169,332.60x = 39,060,103,241.34
  5. Step 5: Solve for x
    x = 39,060,103,241.34/169,332.60
  6. Step 6: Final answer
    x = 230,670.90

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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.