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Finding the Fourth Proportional to 124,293, 186,463.86 and 49,399.17

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Solution

The fourth proportional to 124,293, 186,463.86 and 49,399.17 is: 74,108.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,293 : 186,463.86 = 49,399.17 : x
  2. Step 2: Convert to fraction form
    124,293/186,463.86 = 49,399.17/x
  3. Step 3: Cross multiply
    124,293x = 186,463.86 × 49,399.17
  4. Step 4: Simplify right side
    124,293x = 9,211,159,919.00
  5. Step 5: Solve for x
    x = 9,211,159,919.00/124,293
  6. Step 6: Final answer
    x = 74,108.44

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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.