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Finding the Fourth Proportional to 90,617.91, 135,896.08 and 34,444.50

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Solution

The fourth proportional to 90,617.91, 135,896.08 and 34,444.50 is: 51,655.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,617.91 : 135,896.08 = 34,444.50 : x
  2. Step 2: Convert to fraction form
    90,617.91/135,896.08 = 34,444.50/x
  3. Step 3: Cross multiply
    90,617.91x = 135,896.08 × 34,444.50
  4. Step 4: Simplify right side
    90,617.91x = 4,680,871,675.86
  5. Step 5: Solve for x
    x = 4,680,871,675.86/90,617.91
  6. Step 6: Final answer
    x = 51,655.04

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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.