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Finding the Fourth Proportional to 173,956.90, 260,904.53 and 79,165.03

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Solution

The fourth proportional to 173,956.90, 260,904.53 and 79,165.03 is: 118,733.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,956.90 : 260,904.53 = 79,165.03 : x
  2. Step 2: Convert to fraction form
    173,956.90/260,904.53 = 79,165.03/x
  3. Step 3: Cross multiply
    173,956.90x = 260,904.53 × 79,165.03
  4. Step 4: Simplify right side
    173,956.90x = 20,654,514,548.76
  5. Step 5: Solve for x
    x = 20,654,514,548.76/173,956.90
  6. Step 6: Final answer
    x = 118,733.52

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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.