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Finding the Fourth Proportional to 173,248.90, 259,851.45 and 54,921.40

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Solution

The fourth proportional to 173,248.90, 259,851.45 and 54,921.40 is: 82,375.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,248.90 : 259,851.45 = 54,921.40 : x
  2. Step 2: Convert to fraction form
    173,248.90/259,851.45 = 54,921.40/x
  3. Step 3: Cross multiply
    173,248.90x = 259,851.45 × 54,921.40
  4. Step 4: Simplify right side
    173,248.90x = 14,271,405,426.03
  5. Step 5: Solve for x
    x = 14,271,405,426.03/173,248.90
  6. Step 6: Final answer
    x = 82,375.16

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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.