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Finding the Fourth Proportional to 88,472.68, 122,005.38 and 75,080.68

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Solution

The fourth proportional to 88,472.68, 122,005.38 and 75,080.68 is: 103,537.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,472.68 : 122,005.38 = 75,080.68 : x
  2. Step 2: Convert to fraction form
    88,472.68/122,005.38 = 75,080.68/x
  3. Step 3: Cross multiply
    88,472.68x = 122,005.38 × 75,080.68
  4. Step 4: Simplify right side
    88,472.68x = 9,160,246,894.06
  5. Step 5: Solve for x
    x = 9,160,246,894.06/88,472.68
  6. Step 6: Final answer
    x = 103,537.58

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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.