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Finding the Fourth Proportional to 103,546.30, 155,210.10 and 59,077.30

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Solution

The fourth proportional to 103,546.30, 155,210.10 and 59,077.30 is: 88,553.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,546.30 : 155,210.10 = 59,077.30 : x
  2. Step 2: Convert to fraction form
    103,546.30/155,210.10 = 59,077.30/x
  3. Step 3: Cross multiply
    103,546.30x = 155,210.10 × 59,077.30
  4. Step 4: Simplify right side
    103,546.30x = 9,169,393,640.73
  5. Step 5: Solve for x
    x = 9,169,393,640.73/103,546.30
  6. Step 6: Final answer
    x = 88,553.56

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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.