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Finding the Fourth Proportional to 108,695.76, 150,000.15 and 60,949.11

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Solution

The fourth proportional to 108,695.76, 150,000.15 and 60,949.11 is: 84,109.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,695.76 : 150,000.15 = 60,949.11 : x
  2. Step 2: Convert to fraction form
    108,695.76/150,000.15 = 60,949.11/x
  3. Step 3: Cross multiply
    108,695.76x = 150,000.15 × 60,949.11
  4. Step 4: Simplify right side
    108,695.76x = 9,142,375,642.37
  5. Step 5: Solve for x
    x = 9,142,375,642.37/108,695.76
  6. Step 6: Final answer
    x = 84,109.77

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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.