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Finding the Fourth Proportional to 268,901.94, 371,080.62 and 160,082.28

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Solution

The fourth proportional to 268,901.94, 371,080.62 and 160,082.28 is: 220,911.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,901.94 : 371,080.62 = 160,082.28 : x
  2. Step 2: Convert to fraction form
    268,901.94/371,080.62 = 160,082.28/x
  3. Step 3: Cross multiply
    268,901.94x = 371,080.62 × 160,082.28
  4. Step 4: Simplify right side
    268,901.94x = 59,403,431,713.41
  5. Step 5: Solve for x
    x = 59,403,431,713.41/268,901.94
  6. Step 6: Final answer
    x = 220,911.13

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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.