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Finding the Fourth Proportional to 242,373.21, 363,725.90 and 84,601.65

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Solution

The fourth proportional to 242,373.21, 363,725.90 and 84,601.65 is: 126,960.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,373.21 : 363,725.90 = 84,601.65 : x
  2. Step 2: Convert to fraction form
    242,373.21/363,725.90 = 84,601.65/x
  3. Step 3: Cross multiply
    242,373.21x = 363,725.90 × 84,601.65
  4. Step 4: Simplify right side
    242,373.21x = 30,771,810,864.73
  5. Step 5: Solve for x
    x = 30,771,810,864.73/242,373.21
  6. Step 6: Final answer
    x = 126,960.45

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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.