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Finding the Fourth Proportional to 292,140.60, 438,101.55 and 102,527.70

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Solution

The fourth proportional to 292,140.60, 438,101.55 and 102,527.70 is: 153,753.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,140.60 : 438,101.55 = 102,527.70 : x
  2. Step 2: Convert to fraction form
    292,140.60/438,101.55 = 102,527.70/x
  3. Step 3: Cross multiply
    292,140.60x = 438,101.55 × 102,527.70
  4. Step 4: Simplify right side
    292,140.60x = 44,917,544,287.94
  5. Step 5: Solve for x
    x = 44,917,544,287.94/292,140.60
  6. Step 6: Final answer
    x = 153,753.17

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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.