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Finding the Fourth Proportional to 83,232.90, 114,861.88 and 45,507.15

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Solution

The fourth proportional to 83,232.90, 114,861.88 and 45,507.15 is: 62,800.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,232.90 : 114,861.88 = 45,507.15 : x
  2. Step 2: Convert to fraction form
    83,232.90/114,861.88 = 45,507.15/x
  3. Step 3: Cross multiply
    83,232.90x = 114,861.88 × 45,507.15
  4. Step 4: Simplify right side
    83,232.90x = 5,227,036,802.44
  5. Step 5: Solve for x
    x = 5,227,036,802.44/83,232.90
  6. Step 6: Final answer
    x = 62,800.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.