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Finding the Fourth Proportional to 106,071.50, 146,386.86 and 60,763.88

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Solution

The fourth proportional to 106,071.50, 146,386.86 and 60,763.88 is: 83,858.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,071.50 : 146,386.86 = 60,763.88 : x
  2. Step 2: Convert to fraction form
    106,071.50/146,386.86 = 60,763.88/x
  3. Step 3: Cross multiply
    106,071.50x = 146,386.86 × 60,763.88
  4. Step 4: Simplify right side
    106,071.50x = 8,895,033,594.62
  5. Step 5: Solve for x
    x = 8,895,033,594.62/106,071.50
  6. Step 6: Final answer
    x = 83,858.85

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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.