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Finding the Fourth Proportional to 83,232.65, 114,861.53 and 45,506.90

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Solution

The fourth proportional to 83,232.65, 114,861.53 and 45,506.90 is: 62,799.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,232.65 : 114,861.53 = 45,506.90 : x
  2. Step 2: Convert to fraction form
    83,232.65/114,861.53 = 45,506.90/x
  3. Step 3: Cross multiply
    83,232.65x = 114,861.53 × 45,506.90
  4. Step 4: Simplify right side
    83,232.65x = 5,226,991,699.02
  5. Step 5: Solve for x
    x = 5,226,991,699.02/83,232.65
  6. Step 6: Final answer
    x = 62,799.78

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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.