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Finding the Fourth Proportional to 163,686.76, 245,535.06 and 63,842.92

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Solution

The fourth proportional to 163,686.76, 245,535.06 and 63,842.92 is: 95,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,686.76 : 245,535.06 = 63,842.92 : x
  2. Step 2: Convert to fraction form
    163,686.76/245,535.06 = 63,842.92/x
  3. Step 3: Cross multiply
    163,686.76x = 245,535.06 × 63,842.92
  4. Step 4: Simplify right side
    163,686.76x = 15,675,675,192.78
  5. Step 5: Solve for x
    x = 15,675,675,192.78/163,686.76
  6. Step 6: Final answer
    x = 95,766.30

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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.