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Finding the Fourth Proportional to 293,345.38, 440,203.18 and 124,865.45

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Solution

The fourth proportional to 293,345.38, 440,203.18 and 124,865.45 is: 187,376.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,345.38 : 440,203.18 = 124,865.45 : x
  2. Step 2: Convert to fraction form
    293,345.38/440,203.18 = 124,865.45/x
  3. Step 3: Cross multiply
    293,345.38x = 440,203.18 × 124,865.45
  4. Step 4: Simplify right side
    293,345.38x = 54,966,165,336.79
  5. Step 5: Solve for x
    x = 54,966,165,336.79/293,345.38
  6. Step 6: Final answer
    x = 187,376.96

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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.