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Finding the Fourth Proportional to 242,713.80, 363,924.90 and 124,615.80

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Solution

The fourth proportional to 242,713.80, 363,924.90 and 124,615.80 is: 186,848.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,713.80 : 363,924.90 = 124,615.80 : x
  2. Step 2: Convert to fraction form
    242,713.80/363,924.90 = 124,615.80/x
  3. Step 3: Cross multiply
    242,713.80x = 363,924.90 × 124,615.80
  4. Step 4: Simplify right side
    242,713.80x = 45,350,792,553.42
  5. Step 5: Solve for x
    x = 45,350,792,553.42/242,713.80
  6. Step 6: Final answer
    x = 186,848.84

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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.