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Finding the Fourth Proportional to 104,248.67, 155,031.87 and 100,927.16

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Solution

The fourth proportional to 104,248.67, 155,031.87 and 100,927.16 is: 150,092.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,248.67 : 155,031.87 = 100,927.16 : x
  2. Step 2: Convert to fraction form
    104,248.67/155,031.87 = 100,927.16/x
  3. Step 3: Cross multiply
    104,248.67x = 155,031.87 × 100,927.16
  4. Step 4: Simplify right side
    104,248.67x = 15,646,927,405.33
  5. Step 5: Solve for x
    x = 15,646,927,405.33/104,248.67
  6. Step 6: Final answer
    x = 150,092.34

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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.