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Finding the Fourth Proportional to 173,053.60, 238,865.04 and 101,449.12

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Solution

The fourth proportional to 173,053.60, 238,865.04 and 101,449.12 is: 140,029.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,053.60 : 238,865.04 = 101,449.12 : x
  2. Step 2: Convert to fraction form
    173,053.60/238,865.04 = 101,449.12/x
  3. Step 3: Cross multiply
    173,053.60x = 238,865.04 × 101,449.12
  4. Step 4: Simplify right side
    173,053.60x = 24,232,648,106.76
  5. Step 5: Solve for x
    x = 24,232,648,106.76/173,053.60
  6. Step 6: Final answer
    x = 140,029.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.