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Finding the Fourth Proportional to 103,616.30, 155,446.05 and 59,206.70

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Solution

The fourth proportional to 103,616.30, 155,446.05 and 59,206.70 is: 88,822.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,616.30 : 155,446.05 = 59,206.70 : x
  2. Step 2: Convert to fraction form
    103,616.30/155,446.05 = 59,206.70/x
  3. Step 3: Cross multiply
    103,616.30x = 155,446.05 × 59,206.70
  4. Step 4: Simplify right side
    103,616.30x = 9,203,447,648.54
  5. Step 5: Solve for x
    x = 9,203,447,648.54/103,616.30
  6. Step 6: Final answer
    x = 88,822.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.