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Finding the Fourth Proportional to 108,563.70, 161,882.80 and 101,324.72

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Solution

The fourth proportional to 108,563.70, 161,882.80 and 101,324.72 is: 151,088.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,563.70 : 161,882.80 = 101,324.72 : x
  2. Step 2: Convert to fraction form
    108,563.70/161,882.80 = 101,324.72/x
  3. Step 3: Cross multiply
    108,563.70x = 161,882.80 × 101,324.72
  4. Step 4: Simplify right side
    108,563.70x = 16,402,729,382.82
  5. Step 5: Solve for x
    x = 16,402,729,382.82/108,563.70
  6. Step 6: Final answer
    x = 151,088.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.