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Finding the Fourth Proportional to 90,597.96, 135,876.29 and 34,444.31

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Solution

The fourth proportional to 90,597.96, 135,876.29 and 34,444.31 is: 51,658.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,597.96 : 135,876.29 = 34,444.31 : x
  2. Step 2: Convert to fraction form
    90,597.96/135,876.29 = 34,444.31/x
  3. Step 3: Cross multiply
    90,597.96x = 135,876.29 × 34,444.31
  4. Step 4: Simplify right side
    90,597.96x = 4,680,164,202.81
  5. Step 5: Solve for x
    x = 4,680,164,202.81/90,597.96
  6. Step 6: Final answer
    x = 51,658.60

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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.