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Finding the Fourth Proportional to 103,553.98, 155,081.84 and 59,045.80

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Solution

The fourth proportional to 103,553.98, 155,081.84 and 59,045.80 is: 88,426.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,553.98 : 155,081.84 = 59,045.80 : x
  2. Step 2: Convert to fraction form
    103,553.98/155,081.84 = 59,045.80/x
  3. Step 3: Cross multiply
    103,553.98x = 155,081.84 × 59,045.80
  4. Step 4: Simplify right side
    103,553.98x = 9,156,930,625.34
  5. Step 5: Solve for x
    x = 9,156,930,625.34/103,553.98
  6. Step 6: Final answer
    x = 88,426.64

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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.