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Finding the Fourth Proportional to 108,369.65, 149,551.01 and 63,073.84

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Solution

The fourth proportional to 108,369.65, 149,551.01 and 63,073.84 is: 87,042.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,369.65 : 149,551.01 = 63,073.84 : x
  2. Step 2: Convert to fraction form
    108,369.65/149,551.01 = 63,073.84/x
  3. Step 3: Cross multiply
    108,369.65x = 149,551.01 × 63,073.84
  4. Step 4: Simplify right side
    108,369.65x = 9,432,756,304.27
  5. Step 5: Solve for x
    x = 9,432,756,304.27/108,369.65
  6. Step 6: Final answer
    x = 87,042.42

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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.