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Finding the Fourth Proportional to 616,666.96, 925,000.86 and 167,387.92

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Solution

The fourth proportional to 616,666.96, 925,000.86 and 167,387.92 is: 251,081.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,666.96 : 925,000.86 = 167,387.92 : x
  2. Step 2: Convert to fraction form
    616,666.96/925,000.86 = 167,387.92/x
  3. Step 3: Cross multiply
    616,666.96x = 925,000.86 × 167,387.92
  4. Step 4: Simplify right side
    616,666.96x = 154,833,969,953.61
  5. Step 5: Solve for x
    x = 154,833,969,953.61/616,666.96
  6. Step 6: Final answer
    x = 251,081.99

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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.