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Finding the Fourth Proportional to 103,625.80, 155,460.30 and 59,216.20

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Solution

The fourth proportional to 103,625.80, 155,460.30 and 59,216.20 is: 88,836.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,625.80 : 155,460.30 = 59,216.20 : x
  2. Step 2: Convert to fraction form
    103,625.80/155,460.30 = 59,216.20/x
  3. Step 3: Cross multiply
    103,625.80x = 155,460.30 × 59,216.20
  4. Step 4: Simplify right side
    103,625.80x = 9,205,768,216.86
  5. Step 5: Solve for x
    x = 9,205,768,216.86/103,625.80
  6. Step 6: Final answer
    x = 88,836.64

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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.