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Finding the Fourth Proportional to 73,695.28, 101,670.61 and 45,351.76

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Solution

The fourth proportional to 73,695.28, 101,670.61 and 45,351.76 is: 62,567.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,695.28 : 101,670.61 = 45,351.76 : x
  2. Step 2: Convert to fraction form
    73,695.28/101,670.61 = 45,351.76/x
  3. Step 3: Cross multiply
    73,695.28x = 101,670.61 × 45,351.76
  4. Step 4: Simplify right side
    73,695.28x = 4,610,941,103.77
  5. Step 5: Solve for x
    x = 4,610,941,103.77/73,695.28
  6. Step 6: Final answer
    x = 62,567.66

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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.