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Finding the Fourth Proportional to 242,188.79, 363,283.38 and 115,799.31

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Solution

The fourth proportional to 242,188.79, 363,283.38 and 115,799.31 is: 173,699.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,188.79 : 363,283.38 = 115,799.31 : x
  2. Step 2: Convert to fraction form
    242,188.79/363,283.38 = 115,799.31/x
  3. Step 3: Cross multiply
    242,188.79x = 363,283.38 × 115,799.31
  4. Step 4: Simplify right side
    242,188.79x = 42,067,964,738.47
  5. Step 5: Solve for x
    x = 42,067,964,738.47/242,188.79
  6. Step 6: Final answer
    x = 173,699.06

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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.