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Finding the Fourth Proportional to 163,052.10, 244,468.80 and 74,259.90

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Solution

The fourth proportional to 163,052.10, 244,468.80 and 74,259.90 is: 111,340.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,052.10 : 244,468.80 = 74,259.90 : x
  2. Step 2: Convert to fraction form
    163,052.10/244,468.80 = 74,259.90/x
  3. Step 3: Cross multiply
    163,052.10x = 244,468.80 × 74,259.90
  4. Step 4: Simplify right side
    163,052.10x = 18,154,228,641.12
  5. Step 5: Solve for x
    x = 18,154,228,641.12/163,052.10
  6. Step 6: Final answer
    x = 111,340.05

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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.