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Finding the Fourth Proportional to 111,551.76, 153,940.58 and 60,563.49

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Solution

The fourth proportional to 111,551.76, 153,940.58 and 60,563.49 is: 83,577.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,551.76 : 153,940.58 = 60,563.49 : x
  2. Step 2: Convert to fraction form
    111,551.76/153,940.58 = 60,563.49/x
  3. Step 3: Cross multiply
    111,551.76x = 153,940.58 × 60,563.49
  4. Step 4: Simplify right side
    111,551.76x = 9,323,178,124.44
  5. Step 5: Solve for x
    x = 9,323,178,124.44/111,551.76
  6. Step 6: Final answer
    x = 83,577.15

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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.