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Finding the Fourth Proportional to 108,235.22, 149,361.87 and 60,488.91

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Solution

The fourth proportional to 108,235.22, 149,361.87 and 60,488.91 is: 83,473.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,235.22 : 149,361.87 = 60,488.91 : x
  2. Step 2: Convert to fraction form
    108,235.22/149,361.87 = 60,488.91/x
  3. Step 3: Cross multiply
    108,235.22x = 149,361.87 × 60,488.91
  4. Step 4: Simplify right side
    108,235.22x = 9,034,736,711.86
  5. Step 5: Solve for x
    x = 9,034,736,711.86/108,235.22
  6. Step 6: Final answer
    x = 83,473.17

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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.