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Finding the Fourth Proportional to 73,433.12, 101,337.76 and 39,899.12

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Solution

The fourth proportional to 73,433.12, 101,337.76 and 39,899.12 is: 55,060.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,433.12 : 101,337.76 = 39,899.12 : x
  2. Step 2: Convert to fraction form
    73,433.12/101,337.76 = 39,899.12/x
  3. Step 3: Cross multiply
    73,433.12x = 101,337.76 × 39,899.12
  4. Step 4: Simplify right side
    73,433.12x = 4,043,287,446.77
  5. Step 5: Solve for x
    x = 4,043,287,446.77/73,433.12
  6. Step 6: Final answer
    x = 55,060.82

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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.