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Finding the Fourth Proportional to 101,254.16, 139,724.52 and 58,810.16

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Solution

The fourth proportional to 101,254.16, 139,724.52 and 58,810.16 is: 81,154.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,254.16 : 139,724.52 = 58,810.16 : x
  2. Step 2: Convert to fraction form
    101,254.16/139,724.52 = 58,810.16/x
  3. Step 3: Cross multiply
    101,254.16x = 139,724.52 × 58,810.16
  4. Step 4: Simplify right side
    101,254.16x = 8,217,221,377.12
  5. Step 5: Solve for x
    x = 8,217,221,377.12/101,254.16
  6. Step 6: Final answer
    x = 81,154.41

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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.