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Finding the Fourth Proportional to 111,572.19, 153,969.62 and 60,584.67

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Solution

The fourth proportional to 111,572.19, 153,969.62 and 60,584.67 is: 83,606.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,572.19 : 153,969.62 = 60,584.67 : x
  2. Step 2: Convert to fraction form
    111,572.19/153,969.62 = 60,584.67/x
  3. Step 3: Cross multiply
    111,572.19x = 153,969.62 × 60,584.67
  4. Step 4: Simplify right side
    111,572.19x = 9,328,198,314.80
  5. Step 5: Solve for x
    x = 9,328,198,314.80/111,572.19
  6. Step 6: Final answer
    x = 83,606.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.