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Finding the Fourth Proportional to 242,147.60, 363,221.40 and 186,095.60

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Solution

The fourth proportional to 242,147.60, 363,221.40 and 186,095.60 is: 279,143.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,147.60 : 363,221.40 = 186,095.60 : x
  2. Step 2: Convert to fraction form
    242,147.60/363,221.40 = 186,095.60/x
  3. Step 3: Cross multiply
    242,147.60x = 363,221.40 × 186,095.60
  4. Step 4: Simplify right side
    242,147.60x = 67,593,904,365.84
  5. Step 5: Solve for x
    x = 67,593,904,365.84/242,147.60
  6. Step 6: Final answer
    x = 279,143.40

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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.