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Finding the Fourth Proportional to 242,200.80, 363,171.60 and 101,800.80

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Solution

The fourth proportional to 242,200.80, 363,171.60 and 101,800.80 is: 152,646.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,200.80 : 363,171.60 = 101,800.80 : x
  2. Step 2: Convert to fraction form
    242,200.80/363,171.60 = 101,800.80/x
  3. Step 3: Cross multiply
    242,200.80x = 363,171.60 × 101,800.80
  4. Step 4: Simplify right side
    242,200.80x = 36,971,159,417.28
  5. Step 5: Solve for x
    x = 36,971,159,417.28/242,200.80
  6. Step 6: Final answer
    x = 152,646.73

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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.