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Finding the Fourth Proportional to 153,287.66, 229,931.57 and 73,306.73

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Solution

The fourth proportional to 153,287.66, 229,931.57 and 73,306.73 is: 109,960.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,287.66 : 229,931.57 = 73,306.73 : x
  2. Step 2: Convert to fraction form
    153,287.66/229,931.57 = 73,306.73/x
  3. Step 3: Cross multiply
    153,287.66x = 229,931.57 × 73,306.73
  4. Step 4: Simplify right side
    153,287.66x = 16,855,530,554.08
  5. Step 5: Solve for x
    x = 16,855,530,554.08/153,287.66
  6. Step 6: Final answer
    x = 109,960.13

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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.