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Finding the Fourth Proportional to 153,304.02, 229,956.10 and 68,965.68

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Solution

The fourth proportional to 153,304.02, 229,956.10 and 68,965.68 is: 103,448.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,304.02 : 229,956.10 = 68,965.68 : x
  2. Step 2: Convert to fraction form
    153,304.02/229,956.10 = 68,965.68/x
  3. Step 3: Cross multiply
    153,304.02x = 229,956.10 × 68,965.68
  4. Step 4: Simplify right side
    153,304.02x = 15,859,078,806.65
  5. Step 5: Solve for x
    x = 15,859,078,806.65/153,304.02
  6. Step 6: Final answer
    x = 103,448.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.