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Finding the Fourth Proportional to 106,752, 147,304.96 and 63,723.52

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Solution

The fourth proportional to 106,752, 147,304.96 and 63,723.52 is: 87,930.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,752 : 147,304.96 = 63,723.52 : x
  2. Step 2: Convert to fraction form
    106,752/147,304.96 = 63,723.52/x
  3. Step 3: Cross multiply
    106,752x = 147,304.96 × 63,723.52
  4. Step 4: Simplify right side
    106,752x = 9,386,790,564.66
  5. Step 5: Solve for x
    x = 9,386,790,564.66/106,752
  6. Step 6: Final answer
    x = 87,930.82

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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.