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Finding the Fourth Proportional to 268,816.95, 370,964.53 and 147,955.63

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Solution

The fourth proportional to 268,816.95, 370,964.53 and 147,955.63 is: 204,177.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,816.95 : 370,964.53 = 147,955.63 : x
  2. Step 2: Convert to fraction form
    268,816.95/370,964.53 = 147,955.63/x
  3. Step 3: Cross multiply
    268,816.95x = 370,964.53 × 147,955.63
  4. Step 4: Simplify right side
    268,816.95x = 54,886,290,743.80
  5. Step 5: Solve for x
    x = 54,886,290,743.80/268,816.95
  6. Step 6: Final answer
    x = 204,177.19

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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.