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Finding the Fourth Proportional to 207,246.76, 310,870.20 and 57,524.80

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Solution

The fourth proportional to 207,246.76, 310,870.20 and 57,524.80 is: 86,287.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,246.76 : 310,870.20 = 57,524.80 : x
  2. Step 2: Convert to fraction form
    207,246.76/310,870.20 = 57,524.80/x
  3. Step 3: Cross multiply
    207,246.76x = 310,870.20 × 57,524.80
  4. Step 4: Simplify right side
    207,246.76x = 17,882,746,080.96
  5. Step 5: Solve for x
    x = 17,882,746,080.96/207,246.76
  6. Step 6: Final answer
    x = 86,287.22

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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.