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Finding the Fourth Proportional to 153,272.66, 229,914.77 and 69,016.67

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Solution

The fourth proportional to 153,272.66, 229,914.77 and 69,016.67 is: 103,527.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,272.66 : 229,914.77 = 69,016.67 : x
  2. Step 2: Convert to fraction form
    153,272.66/229,914.77 = 69,016.67/x
  3. Step 3: Cross multiply
    153,272.66x = 229,914.77 × 69,016.67
  4. Step 4: Simplify right side
    153,272.66x = 15,867,950,314.56
  5. Step 5: Solve for x
    x = 15,867,950,314.56/153,272.66
  6. Step 6: Final answer
    x = 103,527.60

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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.