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Finding the Fourth Proportional to 242,567.20, 363,850.80 and 84,811.60

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Solution

The fourth proportional to 242,567.20, 363,850.80 and 84,811.60 is: 127,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,567.20 : 363,850.80 = 84,811.60 : x
  2. Step 2: Convert to fraction form
    242,567.20/363,850.80 = 84,811.60/x
  3. Step 3: Cross multiply
    242,567.20x = 363,850.80 × 84,811.60
  4. Step 4: Simplify right side
    242,567.20x = 30,858,768,509.28
  5. Step 5: Solve for x
    x = 30,858,768,509.28/242,567.20
  6. Step 6: Final answer
    x = 127,217.40

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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.