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Finding the Fourth Proportional to 228,155.39, 342,206.93 and 59,691.98

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Solution

The fourth proportional to 228,155.39, 342,206.93 and 59,691.98 is: 89,531.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,155.39 : 342,206.93 = 59,691.98 : x
  2. Step 2: Convert to fraction form
    228,155.39/342,206.93 = 59,691.98/x
  3. Step 3: Cross multiply
    228,155.39x = 342,206.93 × 59,691.98
  4. Step 4: Simplify right side
    228,155.39x = 20,427,009,221.42
  5. Step 5: Solve for x
    x = 20,427,009,221.42/228,155.39
  6. Step 6: Final answer
    x = 89,531.13

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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.