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Finding the Fourth Proportional to 170,848.80, 256,273.20 and 44,488.80

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Solution

The fourth proportional to 170,848.80, 256,273.20 and 44,488.80 is: 66,733.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,848.80 : 256,273.20 = 44,488.80 : x
  2. Step 2: Convert to fraction form
    170,848.80/256,273.20 = 44,488.80/x
  3. Step 3: Cross multiply
    170,848.80x = 256,273.20 × 44,488.80
  4. Step 4: Simplify right side
    170,848.80x = 11,401,287,140.16
  5. Step 5: Solve for x
    x = 11,401,287,140.16/170,848.80
  6. Step 6: Final answer
    x = 66,733.20

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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.