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Finding the Fourth Proportional to 114,139.54, 170,959.65 and 57,882.70

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Solution

The fourth proportional to 114,139.54, 170,959.65 and 57,882.70 is: 86,697.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,139.54 : 170,959.65 = 57,882.70 : x
  2. Step 2: Convert to fraction form
    114,139.54/170,959.65 = 57,882.70/x
  3. Step 3: Cross multiply
    114,139.54x = 170,959.65 × 57,882.70
  4. Step 4: Simplify right side
    114,139.54x = 9,895,606,133.06
  5. Step 5: Solve for x
    x = 9,895,606,133.06/114,139.54
  6. Step 6: Final answer
    x = 86,697.44

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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.