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Finding the Fourth Proportional to 99,759.32, 149,663.38 and 33,199.32

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Solution

The fourth proportional to 99,759.32, 149,663.38 and 33,199.32 is: 49,807.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,759.32 : 149,663.38 = 33,199.32 : x
  2. Step 2: Convert to fraction form
    99,759.32/149,663.38 = 33,199.32/x
  3. Step 3: Cross multiply
    99,759.32x = 149,663.38 × 33,199.32
  4. Step 4: Simplify right side
    99,759.32x = 4,968,722,444.90
  5. Step 5: Solve for x
    x = 4,968,722,444.90/99,759.32
  6. Step 6: Final answer
    x = 49,807.10

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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.