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Finding the Fourth Proportional to 105,247, 156,517.12 and 101,924.56

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Solution

The fourth proportional to 105,247, 156,517.12 and 101,924.56 is: 151,576.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,247 : 156,517.12 = 101,924.56 : x
  2. Step 2: Convert to fraction form
    105,247/156,517.12 = 101,924.56/x
  3. Step 3: Cross multiply
    105,247x = 156,517.12 × 101,924.56
  4. Step 4: Simplify right side
    105,247x = 15,952,938,588.47
  5. Step 5: Solve for x
    x = 15,952,938,588.47/105,247
  6. Step 6: Final answer
    x = 151,576.18

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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.