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Finding the Fourth Proportional to 111,506.73, 153,877.98 and 60,519.54

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Solution

The fourth proportional to 111,506.73, 153,877.98 and 60,519.54 is: 83,516.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,506.73 : 153,877.98 = 60,519.54 : x
  2. Step 2: Convert to fraction form
    111,506.73/153,877.98 = 60,519.54/x
  3. Step 3: Cross multiply
    111,506.73x = 153,877.98 × 60,519.54
  4. Step 4: Simplify right side
    111,506.73x = 9,312,624,565.73
  5. Step 5: Solve for x
    x = 9,312,624,565.73/111,506.73
  6. Step 6: Final answer
    x = 83,516.26

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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.