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Finding the Fourth Proportional to 101,552.13, 140,143.42 and 58,507.87

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Solution

The fourth proportional to 101,552.13, 140,143.42 and 58,507.87 is: 80,741.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,552.13 : 140,143.42 = 58,507.87 : x
  2. Step 2: Convert to fraction form
    101,552.13/140,143.42 = 58,507.87/x
  3. Step 3: Cross multiply
    101,552.13x = 140,143.42 × 58,507.87
  4. Step 4: Simplify right side
    101,552.13x = 8,199,492,655.15
  5. Step 5: Solve for x
    x = 8,199,492,655.15/101,552.13
  6. Step 6: Final answer
    x = 80,741.71

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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.