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Finding the Fourth Proportional to 86,696.82, 119,598.12 and 59,854.32

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Solution

The fourth proportional to 86,696.82, 119,598.12 and 59,854.32 is: 82,568.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,696.82 : 119,598.12 = 59,854.32 : x
  2. Step 2: Convert to fraction form
    86,696.82/119,598.12 = 59,854.32/x
  3. Step 3: Cross multiply
    86,696.82x = 119,598.12 × 59,854.32
  4. Step 4: Simplify right side
    86,696.82x = 7,158,464,145.88
  5. Step 5: Solve for x
    x = 7,158,464,145.88/86,696.82
  6. Step 6: Final answer
    x = 82,568.94

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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.