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Finding the Fourth Proportional to 160,245.53, 240,298.16 and 76,029.71

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Solution

The fourth proportional to 160,245.53, 240,298.16 and 76,029.71 is: 114,011.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,245.53 : 240,298.16 = 76,029.71 : x
  2. Step 2: Convert to fraction form
    160,245.53/240,298.16 = 76,029.71/x
  3. Step 3: Cross multiply
    160,245.53x = 240,298.16 × 76,029.71
  4. Step 4: Simplify right side
    160,245.53x = 18,269,799,418.33
  5. Step 5: Solve for x
    x = 18,269,799,418.33/160,245.53
  6. Step 6: Final answer
    x = 114,011.29

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1.5x scale

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.