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Finding the Fourth Proportional to 89,116.70, 133,695.30 and 29,958.35

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Solution

The fourth proportional to 89,116.70, 133,695.30 and 29,958.35 is: 44,944.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,116.70 : 133,695.30 = 29,958.35 : x
  2. Step 2: Convert to fraction form
    89,116.70/133,695.30 = 29,958.35/x
  3. Step 3: Cross multiply
    89,116.70x = 133,695.30 × 29,958.35
  4. Step 4: Simplify right side
    89,116.70x = 4,005,290,590.76
  5. Step 5: Solve for x
    x = 4,005,290,590.76/89,116.70
  6. Step 6: Final answer
    x = 44,944.33

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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.