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Finding the Fourth Proportional to 114,963.93, 172,489.78 and 44,848.71

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Solution

The fourth proportional to 114,963.93, 172,489.78 and 44,848.71 is: 67,290.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,963.93 : 172,489.78 = 44,848.71 : x
  2. Step 2: Convert to fraction form
    114,963.93/172,489.78 = 44,848.71/x
  3. Step 3: Cross multiply
    114,963.93x = 172,489.78 × 44,848.71
  4. Step 4: Simplify right side
    114,963.93x = 7,735,943,530.41
  5. Step 5: Solve for x
    x = 7,735,943,530.41/114,963.93
  6. Step 6: Final answer
    x = 67,290.18

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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.