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Finding the Fourth Proportional to 88,693.30, 133,039.95 and 29,530.90

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Solution

The fourth proportional to 88,693.30, 133,039.95 and 29,530.90 is: 44,296.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,693.30 : 133,039.95 = 29,530.90 : x
  2. Step 2: Convert to fraction form
    88,693.30/133,039.95 = 29,530.90/x
  3. Step 3: Cross multiply
    88,693.30x = 133,039.95 × 29,530.90
  4. Step 4: Simplify right side
    88,693.30x = 3,928,789,459.46
  5. Step 5: Solve for x
    x = 3,928,789,459.46/88,693.30
  6. Step 6: Final answer
    x = 44,296.35

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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.