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Finding the Fourth Proportional to 101,904.66, 140,635.17 and 58,892.45

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Solution

The fourth proportional to 101,904.66, 140,635.17 and 58,892.45 is: 81,275.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,904.66 : 140,635.17 = 58,892.45 : x
  2. Step 2: Convert to fraction form
    101,904.66/140,635.17 = 58,892.45/x
  3. Step 3: Cross multiply
    101,904.66x = 140,635.17 × 58,892.45
  4. Step 4: Simplify right side
    101,904.66x = 8,282,349,014.29
  5. Step 5: Solve for x
    x = 8,282,349,014.29/101,904.66
  6. Step 6: Final answer
    x = 81,275.47

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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.