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Finding the Fourth Proportional to 98,562.31, 136,016.03 and 53,240.29

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Solution

The fourth proportional to 98,562.31, 136,016.03 and 53,240.29 is: 73,471.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,562.31 : 136,016.03 = 53,240.29 : x
  2. Step 2: Convert to fraction form
    98,562.31/136,016.03 = 53,240.29/x
  3. Step 3: Cross multiply
    98,562.31x = 136,016.03 × 53,240.29
  4. Step 4: Simplify right side
    98,562.31x = 7,241,532,674.91
  5. Step 5: Solve for x
    x = 7,241,532,674.91/98,562.31
  6. Step 6: Final answer
    x = 73,471.62

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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.