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Finding the Fourth Proportional to 108,230.76, 149,365.08 and 60,487.92

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Solution

The fourth proportional to 108,230.76, 149,365.08 and 60,487.92 is: 83,477.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,230.76 : 149,365.08 = 60,487.92 : x
  2. Step 2: Convert to fraction form
    108,230.76/149,365.08 = 60,487.92/x
  3. Step 3: Cross multiply
    108,230.76x = 149,365.08 × 60,487.92
  4. Step 4: Simplify right side
    108,230.76x = 9,034,783,009.83
  5. Step 5: Solve for x
    x = 9,034,783,009.83/108,230.76
  6. Step 6: Final answer
    x = 83,477.04

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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.