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Finding the Fourth Proportional to 101,845.50, 152,807.13 and 39,520.86

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Solution

The fourth proportional to 101,845.50, 152,807.13 and 39,520.86 is: 59,296.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,845.50 : 152,807.13 = 39,520.86 : x
  2. Step 2: Convert to fraction form
    101,845.50/152,807.13 = 39,520.86/x
  3. Step 3: Cross multiply
    101,845.50x = 152,807.13 × 39,520.86
  4. Step 4: Simplify right side
    101,845.50x = 6,039,069,191.73
  5. Step 5: Solve for x
    x = 6,039,069,191.73/101,845.50
  6. Step 6: Final answer
    x = 59,296.38

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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.