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Finding the Fourth Proportional to 101,719.49, 140,366.01 and 58,700.76

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Solution

The fourth proportional to 101,719.49, 140,366.01 and 58,700.76 is: 81,003.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,719.49 : 140,366.01 = 58,700.76 : x
  2. Step 2: Convert to fraction form
    101,719.49/140,366.01 = 58,700.76/x
  3. Step 3: Cross multiply
    101,719.49x = 140,366.01 × 58,700.76
  4. Step 4: Simplify right side
    101,719.49x = 8,239,591,465.17
  5. Step 5: Solve for x
    x = 8,239,591,465.17/101,719.49
  6. Step 6: Final answer
    x = 81,003.08

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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.