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Finding the Fourth Proportional to 121,410.70, 182,116.05 and 88,362.70

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Solution

The fourth proportional to 121,410.70, 182,116.05 and 88,362.70 is: 132,544.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,410.70 : 182,116.05 = 88,362.70 : x
  2. Step 2: Convert to fraction form
    121,410.70/182,116.05 = 88,362.70/x
  3. Step 3: Cross multiply
    121,410.70x = 182,116.05 × 88,362.70
  4. Step 4: Simplify right side
    121,410.70x = 16,092,265,891.34
  5. Step 5: Solve for x
    x = 16,092,265,891.34/121,410.70
  6. Step 6: Final answer
    x = 132,544.05

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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.