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Finding the Fourth Proportional to 363,386.39, 545,037.98 and 97,167.66

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Solution

The fourth proportional to 363,386.39, 545,037.98 and 97,167.66 is: 145,740.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,386.39 : 545,037.98 = 97,167.66 : x
  2. Step 2: Convert to fraction form
    363,386.39/545,037.98 = 97,167.66/x
  3. Step 3: Cross multiply
    363,386.39x = 545,037.98 × 97,167.66
  4. Step 4: Simplify right side
    363,386.39x = 52,960,065,087.41
  5. Step 5: Solve for x
    x = 52,960,065,087.41/363,386.39
  6. Step 6: Final answer
    x = 145,740.37

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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.