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Finding the Fourth Proportional to 243,064.14, 364,724.24 and 124,735.47

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Solution

The fourth proportional to 243,064.14, 364,724.24 and 124,735.47 is: 187,168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,064.14 : 364,724.24 = 124,735.47 : x
  2. Step 2: Convert to fraction form
    243,064.14/364,724.24 = 124,735.47/x
  3. Step 3: Cross multiply
    243,064.14x = 364,724.24 × 124,735.47
  4. Step 4: Simplify right side
    243,064.14x = 45,494,048,873.12
  5. Step 5: Solve for x
    x = 45,494,048,873.12/243,064.14
  6. Step 6: Final answer
    x = 187,168.90

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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.