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Finding the Fourth Proportional to 109,057.76, 150,488.20 and 60,651.84

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Solution

The fourth proportional to 109,057.76, 150,488.20 and 60,651.84 is: 83,693.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,057.76 : 150,488.20 = 60,651.84 : x
  2. Step 2: Convert to fraction form
    109,057.76/150,488.20 = 60,651.84/x
  3. Step 3: Cross multiply
    109,057.76x = 150,488.20 × 60,651.84
  4. Step 4: Simplify right side
    109,057.76x = 9,127,386,228.29
  5. Step 5: Solve for x
    x = 9,127,386,228.29/109,057.76
  6. Step 6: Final answer
    x = 83,693.14

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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.