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Finding the Fourth Proportional to 150,618.24, 207,882.72 and 86,952.24

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Solution

The fourth proportional to 150,618.24, 207,882.72 and 86,952.24 is: 120,011.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,618.24 : 207,882.72 = 86,952.24 : x
  2. Step 2: Convert to fraction form
    150,618.24/207,882.72 = 86,952.24/x
  3. Step 3: Cross multiply
    150,618.24x = 207,882.72 × 86,952.24
  4. Step 4: Simplify right side
    150,618.24x = 18,075,868,161.29
  5. Step 5: Solve for x
    x = 18,075,868,161.29/150,618.24
  6. Step 6: Final answer
    x = 120,011.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.