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Finding the Fourth Proportional to 89,799.84, 134,605.80 and 30,614.76

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Solution

The fourth proportional to 89,799.84, 134,605.80 and 30,614.76 is: 45,890.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,799.84 : 134,605.80 = 30,614.76 : x
  2. Step 2: Convert to fraction form
    89,799.84/134,605.80 = 30,614.76/x
  3. Step 3: Cross multiply
    89,799.84x = 134,605.80 × 30,614.76
  4. Step 4: Simplify right side
    89,799.84x = 4,120,924,261.61
  5. Step 5: Solve for x
    x = 4,120,924,261.61/89,799.84
  6. Step 6: Final answer
    x = 45,890.11

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1.5x scale

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.