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Finding the Fourth Proportional to 342,854.13, 514,315.04 and 118,184.97

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Solution

The fourth proportional to 342,854.13, 514,315.04 and 118,184.97 is: 177,289.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,854.13 : 514,315.04 = 118,184.97 : x
  2. Step 2: Convert to fraction form
    342,854.13/514,315.04 = 118,184.97/x
  3. Step 3: Cross multiply
    342,854.13x = 514,315.04 × 118,184.97
  4. Step 4: Simplify right side
    342,854.13x = 60,784,308,910.71
  5. Step 5: Solve for x
    x = 60,784,308,910.71/342,854.13
  6. Step 6: Final answer
    x = 177,289.12

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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.