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Finding the Fourth Proportional to 108,042.62, 149,106.30 and 60,305.27

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Solution

The fourth proportional to 108,042.62, 149,106.30 and 60,305.27 is: 83,225.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,042.62 : 149,106.30 = 60,305.27 : x
  2. Step 2: Convert to fraction form
    108,042.62/149,106.30 = 60,305.27/x
  3. Step 3: Cross multiply
    108,042.62x = 149,106.30 × 60,305.27
  4. Step 4: Simplify right side
    108,042.62x = 8,991,895,680.20
  5. Step 5: Solve for x
    x = 8,991,895,680.20/108,042.62
  6. Step 6: Final answer
    x = 83,225.45

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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.