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Finding the Fourth Proportional to 172,010.56, 237,374.40 and 96,559.20

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Solution

The fourth proportional to 172,010.56, 237,374.40 and 96,559.20 is: 133,251.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,010.56 : 237,374.40 = 96,559.20 : x
  2. Step 2: Convert to fraction form
    172,010.56/237,374.40 = 96,559.20/x
  3. Step 3: Cross multiply
    172,010.56x = 237,374.40 × 96,559.20
  4. Step 4: Simplify right side
    172,010.56x = 22,920,682,164.48
  5. Step 5: Solve for x
    x = 22,920,682,164.48/172,010.56
  6. Step 6: Final answer
    x = 133,251.60

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1.5x scale

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.