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Finding the Fourth Proportional to 108,267.80, 149,406.92 and 60,526.76

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Solution

The fourth proportional to 108,267.80, 149,406.92 and 60,526.76 is: 83,525.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,267.80 : 149,406.92 = 60,526.76 : x
  2. Step 2: Convert to fraction form
    108,267.80/149,406.92 = 60,526.76/x
  3. Step 3: Cross multiply
    108,267.80x = 149,406.92 × 60,526.76
  4. Step 4: Simplify right side
    108,267.80x = 9,043,116,789.18
  5. Step 5: Solve for x
    x = 9,043,116,789.18/108,267.80
  6. Step 6: Final answer
    x = 83,525.45

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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.