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Finding the Fourth Proportional to 158,486.29, 236,078 and 150,071.65

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Solution

The fourth proportional to 158,486.29, 236,078 and 150,071.65 is: 223,543.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,486.29 : 236,078 = 150,071.65 : x
  2. Step 2: Convert to fraction form
    158,486.29/236,078 = 150,071.65/x
  3. Step 3: Cross multiply
    158,486.29x = 236,078 × 150,071.65
  4. Step 4: Simplify right side
    158,486.29x = 35,428,614,988.70
  5. Step 5: Solve for x
    x = 35,428,614,988.70/158,486.29
  6. Step 6: Final answer
    x = 223,543.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.