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Finding the Fourth Proportional to 148,353.62, 204,741.15 and 84,711.92

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Solution

The fourth proportional to 148,353.62, 204,741.15 and 84,711.92 is: 116,909.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,353.62 : 204,741.15 = 84,711.92 : x
  2. Step 2: Convert to fraction form
    148,353.62/204,741.15 = 84,711.92/x
  3. Step 3: Cross multiply
    148,353.62x = 204,741.15 × 84,711.92
  4. Step 4: Simplify right side
    148,353.62x = 17,344,015,919.51
  5. Step 5: Solve for x
    x = 17,344,015,919.51/148,353.62
  6. Step 6: Final answer
    x = 116,909.96

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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.