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Finding the Fourth Proportional to 99,523.65, 137,333.60 and 59,230.91

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Solution

The fourth proportional to 99,523.65, 137,333.60 and 59,230.91 is: 81,733.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,523.65 : 137,333.60 = 59,230.91 : x
  2. Step 2: Convert to fraction form
    99,523.65/137,333.60 = 59,230.91/x
  3. Step 3: Cross multiply
    99,523.65x = 137,333.60 × 59,230.91
  4. Step 4: Simplify right side
    99,523.65x = 8,134,394,101.58
  5. Step 5: Solve for x
    x = 8,134,394,101.58/99,523.65
  6. Step 6: Final answer
    x = 81,733.28

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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.