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Finding the Fourth Proportional to 351,762.66, 527,649.78 and 99,049.24

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Solution

The fourth proportional to 351,762.66, 527,649.78 and 99,049.24 is: 148,575.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,762.66 : 527,649.78 = 99,049.24 : x
  2. Step 2: Convert to fraction form
    351,762.66/527,649.78 = 99,049.24/x
  3. Step 3: Cross multiply
    351,762.66x = 527,649.78 × 99,049.24
  4. Step 4: Simplify right side
    351,762.66x = 52,263,309,695.17
  5. Step 5: Solve for x
    x = 52,263,309,695.17/351,762.66
  6. Step 6: Final answer
    x = 148,575.49

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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.