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Finding the Fourth Proportional to 242,169.60, 363,254.40 and 186,117.60

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Solution

The fourth proportional to 242,169.60, 363,254.40 and 186,117.60 is: 279,176.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,169.60 : 363,254.40 = 186,117.60 : x
  2. Step 2: Convert to fraction form
    242,169.60/363,254.40 = 186,117.60/x
  3. Step 3: Cross multiply
    242,169.60x = 363,254.40 × 186,117.60
  4. Step 4: Simplify right side
    242,169.60x = 67,608,037,117.44
  5. Step 5: Solve for x
    x = 67,608,037,117.44/242,169.60
  6. Step 6: Final answer
    x = 279,176.40

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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.