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Finding the Fourth Proportional to 163,248.06, 244,966.63 and 68,469.81

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Solution

The fourth proportional to 163,248.06, 244,966.63 and 68,469.81 is: 102,744.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,248.06 : 244,966.63 = 68,469.81 : x
  2. Step 2: Convert to fraction form
    163,248.06/244,966.63 = 68,469.81/x
  3. Step 3: Cross multiply
    163,248.06x = 244,966.63 × 68,469.81
  4. Step 4: Simplify right side
    163,248.06x = 16,772,817,651.02
  5. Step 5: Solve for x
    x = 16,772,817,651.02/163,248.06
  6. Step 6: Final answer
    x = 102,744.36

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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.