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Finding the Fourth Proportional to 163,041.70, 244,562.55 and 74,468.20

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Solution

The fourth proportional to 163,041.70, 244,562.55 and 74,468.20 is: 111,702.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,041.70 : 244,562.55 = 74,468.20 : x
  2. Step 2: Convert to fraction form
    163,041.70/244,562.55 = 74,468.20/x
  3. Step 3: Cross multiply
    163,041.70x = 244,562.55 × 74,468.20
  4. Step 4: Simplify right side
    163,041.70x = 18,212,132,885.91
  5. Step 5: Solve for x
    x = 18,212,132,885.91/163,041.70
  6. Step 6: Final answer
    x = 111,702.30

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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.