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Finding the Fourth Proportional to 363,424.28, 545,098.08 and 97,211.66

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Solution

The fourth proportional to 363,424.28, 545,098.08 and 97,211.66 is: 145,807.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,424.28 : 545,098.08 = 97,211.66 : x
  2. Step 2: Convert to fraction form
    363,424.28/545,098.08 = 97,211.66/x
  3. Step 3: Cross multiply
    363,424.28x = 545,098.08 × 97,211.66
  4. Step 4: Simplify right side
    363,424.28x = 52,989,889,219.61
  5. Step 5: Solve for x
    x = 52,989,889,219.61/363,424.28
  6. Step 6: Final answer
    x = 145,807.23

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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.