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Finding the Fourth Proportional to 173,837.20, 243,722 and 173,837.20

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Solution

The fourth proportional to 173,837.20, 243,722 and 173,837.20 is: 243,722

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,837.20 : 243,722 = 173,837.20 : x
  2. Step 2: Convert to fraction form
    173,837.20/243,722 = 173,837.20/x
  3. Step 3: Cross multiply
    173,837.20x = 243,722 × 173,837.20
  4. Step 4: Simplify right side
    173,837.20x = 42,367,950,058.40
  5. Step 5: Solve for x
    x = 42,367,950,058.40/173,837.20
  6. Step 6: Final answer
    x = 243,722

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1.5x scale

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.