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Finding the Fourth Proportional to 174,484.80, 240,721.20 and 102,751.20

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Solution

The fourth proportional to 174,484.80, 240,721.20 and 102,751.20 is: 141,756.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,484.80 : 240,721.20 = 102,751.20 : x
  2. Step 2: Convert to fraction form
    174,484.80/240,721.20 = 102,751.20/x
  3. Step 3: Cross multiply
    174,484.80x = 240,721.20 × 102,751.20
  4. Step 4: Simplify right side
    174,484.80x = 24,734,392,165.44
  5. Step 5: Solve for x
    x = 24,734,392,165.44/174,484.80
  6. Step 6: Final answer
    x = 141,756.72

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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.