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Finding the Fourth Proportional to 124,040.99, 186,122.96 and 49,159.47

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Solution

The fourth proportional to 124,040.99, 186,122.96 and 49,159.47 is: 73,763.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,040.99 : 186,122.96 = 49,159.47 : x
  2. Step 2: Convert to fraction form
    124,040.99/186,122.96 = 49,159.47/x
  3. Step 3: Cross multiply
    124,040.99x = 186,122.96 × 49,159.47
  4. Step 4: Simplify right side
    124,040.99x = 9,149,706,981.47
  5. Step 5: Solve for x
    x = 9,149,706,981.47/124,040.99
  6. Step 6: Final answer
    x = 73,763.58

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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.