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Finding the Fourth Proportional to 121,957.57, 182,802.91 and 62,796.79

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Solution

The fourth proportional to 121,957.57, 182,802.91 and 62,796.79 is: 94,126.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,957.57 : 182,802.91 = 62,796.79 : x
  2. Step 2: Convert to fraction form
    121,957.57/182,802.91 = 62,796.79/x
  3. Step 3: Cross multiply
    121,957.57x = 182,802.91 × 62,796.79
  4. Step 4: Simplify right side
    121,957.57x = 11,479,435,950.66
  5. Step 5: Solve for x
    x = 11,479,435,950.66/121,957.57
  6. Step 6: Final answer
    x = 94,126.47

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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.