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Finding the Fourth Proportional to 163,041.30, 244,233.90 and 109,897.20

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Solution

The fourth proportional to 163,041.30, 244,233.90 and 109,897.20 is: 164,624.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,041.30 : 244,233.90 = 109,897.20 : x
  2. Step 2: Convert to fraction form
    163,041.30/244,233.90 = 109,897.20/x
  3. Step 3: Cross multiply
    163,041.30x = 244,233.90 × 109,897.20
  4. Step 4: Simplify right side
    163,041.30x = 26,840,621,755.08
  5. Step 5: Solve for x
    x = 26,840,621,755.08/163,041.30
  6. Step 6: Final answer
    x = 164,624.68

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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.