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Finding the Fourth Proportional to 148,280.76, 204,607.80 and 84,614.76

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Solution

The fourth proportional to 148,280.76, 204,607.80 and 84,614.76 is: 116,757.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,280.76 : 204,607.80 = 84,614.76 : x
  2. Step 2: Convert to fraction form
    148,280.76/204,607.80 = 84,614.76/x
  3. Step 3: Cross multiply
    148,280.76x = 204,607.80 × 84,614.76
  4. Step 4: Simplify right side
    148,280.76x = 17,312,839,891.13
  5. Step 5: Solve for x
    x = 17,312,839,891.13/148,280.76
  6. Step 6: Final answer
    x = 116,757.16

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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.