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Finding the Fourth Proportional to 173,963.28, 240,065.26 and 102,347.91

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Solution

The fourth proportional to 173,963.28, 240,065.26 and 102,347.91 is: 141,237.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,963.28 : 240,065.26 = 102,347.91 : x
  2. Step 2: Convert to fraction form
    173,963.28/240,065.26 = 102,347.91/x
  3. Step 3: Cross multiply
    173,963.28x = 240,065.26 × 102,347.91
  4. Step 4: Simplify right side
    173,963.28x = 24,570,177,368.74
  5. Step 5: Solve for x
    x = 24,570,177,368.74/173,963.28
  6. Step 6: Final answer
    x = 141,237.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.