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Finding the Fourth Proportional to 173,897.20, 243,806 and 173,897.20

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Solution

The fourth proportional to 173,897.20, 243,806 and 173,897.20 is: 243,806

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,897.20 : 243,806 = 173,897.20 : x
  2. Step 2: Convert to fraction form
    173,897.20/243,806 = 173,897.20/x
  3. Step 3: Cross multiply
    173,897.20x = 243,806 × 173,897.20
  4. Step 4: Simplify right side
    173,897.20x = 42,397,180,743.20
  5. Step 5: Solve for x
    x = 42,397,180,743.20/173,897.20
  6. Step 6: Final answer
    x = 243,806

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.