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Finding the Fourth Proportional to 625,386.81, 937,997.29 and 176,142.99

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Solution

The fourth proportional to 625,386.81, 937,997.29 and 176,142.99 is: 264,191.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,386.81 : 937,997.29 = 176,142.99 : x
  2. Step 2: Convert to fraction form
    625,386.81/937,997.29 = 176,142.99/x
  3. Step 3: Cross multiply
    625,386.81x = 937,997.29 × 176,142.99
  4. Step 4: Simplify right side
    625,386.81x = 165,221,647,272.50
  5. Step 5: Solve for x
    x = 165,221,647,272.50/625,386.81
  6. Step 6: Final answer
    x = 264,191.13

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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.