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Finding the Fourth Proportional to 88,710.90, 133,066.35 and 82,295.70

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Solution

The fourth proportional to 88,710.90, 133,066.35 and 82,295.70 is: 123,443.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,710.90 : 133,066.35 = 82,295.70 : x
  2. Step 2: Convert to fraction form
    88,710.90/133,066.35 = 82,295.70/x
  3. Step 3: Cross multiply
    88,710.90x = 133,066.35 × 82,295.70
  4. Step 4: Simplify right side
    88,710.90x = 10,950,788,419.70
  5. Step 5: Solve for x
    x = 10,950,788,419.70/88,710.90
  6. Step 6: Final answer
    x = 123,443.55

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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.