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Finding the Fourth Proportional to 86,414.63, 119,150.18 and 59,203.76

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Solution

The fourth proportional to 86,414.63, 119,150.18 and 59,203.76 is: 81,631.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,414.63 : 119,150.18 = 59,203.76 : x
  2. Step 2: Convert to fraction form
    86,414.63/119,150.18 = 59,203.76/x
  3. Step 3: Cross multiply
    86,414.63x = 119,150.18 × 59,203.76
  4. Step 4: Simplify right side
    86,414.63x = 7,054,138,660.68
  5. Step 5: Solve for x
    x = 7,054,138,660.68/86,414.63
  6. Step 6: Final answer
    x = 81,631.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.