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Finding the Fourth Proportional to 207,060.16, 310,597.19 and 57,287.92

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Solution

The fourth proportional to 207,060.16, 310,597.19 and 57,287.92 is: 85,933.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,060.16 : 310,597.19 = 57,287.92 : x
  2. Step 2: Convert to fraction form
    207,060.16/310,597.19 = 57,287.92/x
  3. Step 3: Cross multiply
    207,060.16x = 310,597.19 × 57,287.92
  4. Step 4: Simplify right side
    207,060.16x = 17,793,466,339.67
  5. Step 5: Solve for x
    x = 17,793,466,339.67/207,060.16
  6. Step 6: Final answer
    x = 85,933.80

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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.