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Finding the Fourth Proportional to 242,823.80, 364,089.90 and 124,725.80

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Solution

The fourth proportional to 242,823.80, 364,089.90 and 124,725.80 is: 187,013.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,823.80 : 364,089.90 = 124,725.80 : x
  2. Step 2: Convert to fraction form
    242,823.80/364,089.90 = 124,725.80/x
  3. Step 3: Cross multiply
    242,823.80x = 364,089.90 × 124,725.80
  4. Step 4: Simplify right side
    242,823.80x = 45,411,404,049.42
  5. Step 5: Solve for x
    x = 45,411,404,049.42/242,823.80
  6. Step 6: Final answer
    x = 187,013.81

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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.