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Finding the Fourth Proportional to 99,745.56, 137,630.12 and 59,463.12

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Solution

The fourth proportional to 99,745.56, 137,630.12 and 59,463.12 is: 82,047.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,745.56 : 137,630.12 = 59,463.12 : x
  2. Step 2: Convert to fraction form
    99,745.56/137,630.12 = 59,463.12/x
  3. Step 3: Cross multiply
    99,745.56x = 137,630.12 × 59,463.12
  4. Step 4: Simplify right side
    99,745.56x = 8,183,916,341.17
  5. Step 5: Solve for x
    x = 8,183,916,341.17/99,745.56
  6. Step 6: Final answer
    x = 82,047.93

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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.