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Finding the Fourth Proportional to 555,444.74, 833,167.12 and 156,069.38

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Solution

The fourth proportional to 555,444.74, 833,167.12 and 156,069.38 is: 234,104.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,444.74 : 833,167.12 = 156,069.38 : x
  2. Step 2: Convert to fraction form
    555,444.74/833,167.12 = 156,069.38/x
  3. Step 3: Cross multiply
    555,444.74x = 833,167.12 × 156,069.38
  4. Step 4: Simplify right side
    555,444.74x = 130,031,875,854.79
  5. Step 5: Solve for x
    x = 130,031,875,854.79/555,444.74
  6. Step 6: Final answer
    x = 234,104.07

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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.