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Finding the Fourth Proportional to 173,621.20, 235,125.90 and 173,621.20

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Solution

The fourth proportional to 173,621.20, 235,125.90 and 173,621.20 is: 235,125.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,621.20 : 235,125.90 = 173,621.20 : x
  2. Step 2: Convert to fraction form
    173,621.20/235,125.90 = 173,621.20/x
  3. Step 3: Cross multiply
    173,621.20x = 235,125.90 × 173,621.20
  4. Step 4: Simplify right side
    173,621.20x = 40,822,840,909.08
  5. Step 5: Solve for x
    x = 40,822,840,909.08/173,621.20
  6. Step 6: Final answer
    x = 235,125.90

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.