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Finding the Fourth Proportional to 295,140.51, 442,711.17 and 126,551.97

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Solution

The fourth proportional to 295,140.51, 442,711.17 and 126,551.97 is: 189,828.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,140.51 : 442,711.17 = 126,551.97 : x
  2. Step 2: Convert to fraction form
    295,140.51/442,711.17 = 126,551.97/x
  3. Step 3: Cross multiply
    295,140.51x = 442,711.17 × 126,551.97
  4. Step 4: Simplify right side
    295,140.51x = 56,025,970,704.50
  5. Step 5: Solve for x
    x = 56,025,970,704.50/295,140.51
  6. Step 6: Final answer
    x = 189,828.13

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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.