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Finding the Fourth Proportional to 143,206.76, 214,751.01 and 62,158.97

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Solution

The fourth proportional to 143,206.76, 214,751.01 and 62,158.97 is: 93,212.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,206.76 : 214,751.01 = 62,158.97 : x
  2. Step 2: Convert to fraction form
    143,206.76/214,751.01 = 62,158.97/x
  3. Step 3: Cross multiply
    143,206.76x = 214,751.01 × 62,158.97
  4. Step 4: Simplify right side
    143,206.76x = 13,348,701,588.06
  5. Step 5: Solve for x
    x = 13,348,701,588.06/143,206.76
  6. Step 6: Final answer
    x = 93,212.79

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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.