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Finding the Fourth Proportional to 268,809.81, 370,954.69 and 147,948.49

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Solution

The fourth proportional to 268,809.81, 370,954.69 and 147,948.49 is: 204,167.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,809.81 : 370,954.69 = 147,948.49 : x
  2. Step 2: Convert to fraction form
    268,809.81/370,954.69 = 147,948.49/x
  3. Step 3: Cross multiply
    268,809.81x = 370,954.69 × 147,948.49
  4. Step 4: Simplify right side
    268,809.81x = 54,882,186,337.74
  5. Step 5: Solve for x
    x = 54,882,186,337.74/268,809.81
  6. Step 6: Final answer
    x = 204,167.35

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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.