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Finding the Fourth Proportional to 136,379.16, 204,600.92 and 42,884.91

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Solution

The fourth proportional to 136,379.16, 204,600.92 and 42,884.91 is: 64,337.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,379.16 : 204,600.92 = 42,884.91 : x
  2. Step 2: Convert to fraction form
    136,379.16/204,600.92 = 42,884.91/x
  3. Step 3: Cross multiply
    136,379.16x = 204,600.92 × 42,884.91
  4. Step 4: Simplify right side
    136,379.16x = 8,774,291,825.69
  5. Step 5: Solve for x
    x = 8,774,291,825.69/136,379.16
  6. Step 6: Final answer
    x = 64,337.48

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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.