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Finding the Fourth Proportional to 73,557.16, 101,508.90 and 40,023.16

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Solution

The fourth proportional to 73,557.16, 101,508.90 and 40,023.16 is: 55,231.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,557.16 : 101,508.90 = 40,023.16 : x
  2. Step 2: Convert to fraction form
    73,557.16/101,508.90 = 40,023.16/x
  3. Step 3: Cross multiply
    73,557.16x = 101,508.90 × 40,023.16
  4. Step 4: Simplify right side
    73,557.16x = 4,062,706,946.12
  5. Step 5: Solve for x
    x = 4,062,706,946.12/73,557.16
  6. Step 6: Final answer
    x = 55,231.97

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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.