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Finding the Fourth Proportional to 108,737.30, 150,047.48 and 60,981.44

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Solution

The fourth proportional to 108,737.30, 150,047.48 and 60,981.44 is: 84,148.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,737.30 : 150,047.48 = 60,981.44 : x
  2. Step 2: Convert to fraction form
    108,737.30/150,047.48 = 60,981.44/x
  3. Step 3: Cross multiply
    108,737.30x = 150,047.48 × 60,981.44
  4. Step 4: Simplify right side
    108,737.30x = 9,150,110,800.99
  5. Step 5: Solve for x
    x = 9,150,110,800.99/108,737.30
  6. Step 6: Final answer
    x = 84,148.77

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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.