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Finding the Fourth Proportional to 99,627.53, 149,473.60 and 59,640.29

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Solution

The fourth proportional to 99,627.53, 149,473.60 and 59,640.29 is: 89,479.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,627.53 : 149,473.60 = 59,640.29 : x
  2. Step 2: Convert to fraction form
    99,627.53/149,473.60 = 59,640.29/x
  3. Step 3: Cross multiply
    99,627.53x = 149,473.60 × 59,640.29
  4. Step 4: Simplify right side
    99,627.53x = 8,914,648,514.47
  5. Step 5: Solve for x
    x = 8,914,648,514.47/99,627.53
  6. Step 6: Final answer
    x = 89,479.77

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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.