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Finding the Fourth Proportional to 100,617.52, 150,921.12 and 37,437.52

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Solution

The fourth proportional to 100,617.52, 150,921.12 and 37,437.52 is: 56,154.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,617.52 : 150,921.12 = 37,437.52 : x
  2. Step 2: Convert to fraction form
    100,617.52/150,921.12 = 37,437.52/x
  3. Step 3: Cross multiply
    100,617.52x = 150,921.12 × 37,437.52
  4. Step 4: Simplify right side
    100,617.52x = 5,650,112,448.42
  5. Step 5: Solve for x
    x = 5,650,112,448.42/100,617.52
  6. Step 6: Final answer
    x = 56,154.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.