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Finding the Fourth Proportional to 86,062.84, 129,116.16 and 50,554.18

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Solution

The fourth proportional to 86,062.84, 129,116.16 and 50,554.18 is: 75,844.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,062.84 : 129,116.16 = 50,554.18 : x
  2. Step 2: Convert to fraction form
    86,062.84/129,116.16 = 50,554.18/x
  3. Step 3: Cross multiply
    86,062.84x = 129,116.16 × 50,554.18
  4. Step 4: Simplify right side
    86,062.84x = 6,527,361,340.78
  5. Step 5: Solve for x
    x = 6,527,361,340.78/86,062.84
  6. Step 6: Final answer
    x = 75,844.14

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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.