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Finding the Fourth Proportional to 111,473.12, 153,692.16 and 95,337.92

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Solution

The fourth proportional to 111,473.12, 153,692.16 and 95,337.92 is: 131,445.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,473.12 : 153,692.16 = 95,337.92 : x
  2. Step 2: Convert to fraction form
    111,473.12/153,692.16 = 95,337.92/x
  3. Step 3: Cross multiply
    111,473.12x = 153,692.16 × 95,337.92
  4. Step 4: Simplify right side
    111,473.12x = 14,652,690,854.71
  5. Step 5: Solve for x
    x = 14,652,690,854.71/111,473.12
  6. Step 6: Final answer
    x = 131,445.96

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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.