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Finding the Fourth Proportional to 350,031.30, 524,918.16 and 125,330.82

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Solution

The fourth proportional to 350,031.30, 524,918.16 and 125,330.82 is: 187,950.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,031.30 : 524,918.16 = 125,330.82 : x
  2. Step 2: Convert to fraction form
    350,031.30/524,918.16 = 125,330.82/x
  3. Step 3: Cross multiply
    350,031.30x = 524,918.16 × 125,330.82
  4. Step 4: Simplify right side
    350,031.30x = 65,788,423,425.69
  5. Step 5: Solve for x
    x = 65,788,423,425.69/350,031.30
  6. Step 6: Final answer
    x = 187,950.12

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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.