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Finding the Fourth Proportional to 173,722.12, 260,621.43 and 98,877.49

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Solution

The fourth proportional to 173,722.12, 260,621.43 and 98,877.49 is: 148,338.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,722.12 : 260,621.43 = 98,877.49 : x
  2. Step 2: Convert to fraction form
    173,722.12/260,621.43 = 98,877.49/x
  3. Step 3: Cross multiply
    173,722.12x = 260,621.43 × 98,877.49
  4. Step 4: Simplify right side
    173,722.12x = 25,769,592,838.61
  5. Step 5: Solve for x
    x = 25,769,592,838.61/173,722.12
  6. Step 6: Final answer
    x = 148,338.01

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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.