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Finding the Fourth Proportional to 268,338.87, 370,153.44 and 167,561.91

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Solution

The fourth proportional to 268,338.87, 370,153.44 and 167,561.91 is: 231,139.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,338.87 : 370,153.44 = 167,561.91 : x
  2. Step 2: Convert to fraction form
    268,338.87/370,153.44 = 167,561.91/x
  3. Step 3: Cross multiply
    268,338.87x = 370,153.44 × 167,561.91
  4. Step 4: Simplify right side
    268,338.87x = 62,023,617,399.47
  5. Step 5: Solve for x
    x = 62,023,617,399.47/268,338.87
  6. Step 6: Final answer
    x = 231,139.15

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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.