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Finding the Fourth Proportional to 147,500.52, 220,857.12 and 77,232.12

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Solution

The fourth proportional to 147,500.52, 220,857.12 and 77,232.12 is: 115,642.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,500.52 : 220,857.12 = 77,232.12 : x
  2. Step 2: Convert to fraction form
    147,500.52/220,857.12 = 77,232.12/x
  3. Step 3: Cross multiply
    147,500.52x = 220,857.12 × 77,232.12
  4. Step 4: Simplify right side
    147,500.52x = 17,057,263,594.69
  5. Step 5: Solve for x
    x = 17,057,263,594.69/147,500.52
  6. Step 6: Final answer
    x = 115,642.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.