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Finding the Fourth Proportional to 101,627.12, 140,242.92 and 59,193.92

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Solution

The fourth proportional to 101,627.12, 140,242.92 and 59,193.92 is: 81,686.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,627.12 : 140,242.92 = 59,193.92 : x
  2. Step 2: Convert to fraction form
    101,627.12/140,242.92 = 59,193.92/x
  3. Step 3: Cross multiply
    101,627.12x = 140,242.92 × 59,193.92
  4. Step 4: Simplify right side
    101,627.12x = 8,301,528,187.05
  5. Step 5: Solve for x
    x = 8,301,528,187.05/101,627.12
  6. Step 6: Final answer
    x = 81,686.15

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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.