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Finding the Fourth Proportional to 123,570.88, 185,387.46 and 57,057.64

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Solution

The fourth proportional to 123,570.88, 185,387.46 and 57,057.64 is: 85,600.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,570.88 : 185,387.46 = 57,057.64 : x
  2. Step 2: Convert to fraction form
    123,570.88/185,387.46 = 57,057.64/x
  3. Step 3: Cross multiply
    123,570.88x = 185,387.46 × 57,057.64
  4. Step 4: Simplify right side
    123,570.88x = 10,577,770,953.19
  5. Step 5: Solve for x
    x = 10,577,770,953.19/123,570.88
  6. Step 6: Final answer
    x = 85,600.84

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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.