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Finding the Fourth Proportional to 365,222.16, 547,782.21 and 125,332.29

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Solution

The fourth proportional to 365,222.16, 547,782.21 and 125,332.29 is: 187,980.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,222.16 : 547,782.21 = 125,332.29 : x
  2. Step 2: Convert to fraction form
    365,222.16/547,782.21 = 125,332.29/x
  3. Step 3: Cross multiply
    365,222.16x = 547,782.21 × 125,332.29
  4. Step 4: Simplify right side
    365,222.16x = 68,654,798,800.56
  5. Step 5: Solve for x
    x = 68,654,798,800.56/365,222.16
  6. Step 6: Final answer
    x = 187,980.92

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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.