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Finding the Fourth Proportional to 199,376.64, 275,132.16 and 109,952.64

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Solution

The fourth proportional to 199,376.64, 275,132.16 and 109,952.64 is: 151,730.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,376.64 : 275,132.16 = 109,952.64 : x
  2. Step 2: Convert to fraction form
    199,376.64/275,132.16 = 109,952.64/x
  3. Step 3: Cross multiply
    199,376.64x = 275,132.16 × 109,952.64
  4. Step 4: Simplify right side
    199,376.64x = 30,251,507,340.90
  5. Step 5: Solve for x
    x = 30,251,507,340.90/199,376.64
  6. Step 6: Final answer
    x = 151,730.45

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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.