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Finding the Fourth Proportional to 101,350.96, 139,863.38 and 56,030.12

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Solution

The fourth proportional to 101,350.96, 139,863.38 and 56,030.12 is: 77,321.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,350.96 : 139,863.38 = 56,030.12 : x
  2. Step 2: Convert to fraction form
    101,350.96/139,863.38 = 56,030.12/x
  3. Step 3: Cross multiply
    101,350.96x = 139,863.38 × 56,030.12
  4. Step 4: Simplify right side
    101,350.96x = 7,836,561,965.01
  5. Step 5: Solve for x
    x = 7,836,561,965.01/101,350.96
  6. Step 6: Final answer
    x = 77,321.04

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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.