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Finding the Fourth Proportional to 207,063.09, 310,601.59 and 57,290.85

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Solution

The fourth proportional to 207,063.09, 310,601.59 and 57,290.85 is: 85,938.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,063.09 : 310,601.59 = 57,290.85 : x
  2. Step 2: Convert to fraction form
    207,063.09/310,601.59 = 57,290.85/x
  3. Step 3: Cross multiply
    207,063.09x = 310,601.59 × 57,290.85
  4. Step 4: Simplify right side
    207,063.09x = 17,794,628,959.22
  5. Step 5: Solve for x
    x = 17,794,628,959.22/207,063.09
  6. Step 6: Final answer
    x = 85,938.20

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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.