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Finding the Fourth Proportional to 111,084.92, 153,296.54 and 60,097.50

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Solution

The fourth proportional to 111,084.92, 153,296.54 and 60,097.50 is: 82,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,084.92 : 153,296.54 = 60,097.50 : x
  2. Step 2: Convert to fraction form
    111,084.92/153,296.54 = 60,097.50/x
  3. Step 3: Cross multiply
    111,084.92x = 153,296.54 × 60,097.50
  4. Step 4: Simplify right side
    111,084.92x = 9,212,738,512.16
  5. Step 5: Solve for x
    x = 9,212,738,512.16/111,084.92
  6. Step 6: Final answer
    x = 82,934.20

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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.