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Finding the Fourth Proportional to 111,497.39, 153,866.50 and 60,510.13

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Solution

The fourth proportional to 111,497.39, 153,866.50 and 60,510.13 is: 83,504.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,497.39 : 153,866.50 = 60,510.13 : x
  2. Step 2: Convert to fraction form
    111,497.39/153,866.50 = 60,510.13/x
  3. Step 3: Cross multiply
    111,497.39x = 153,866.50 × 60,510.13
  4. Step 4: Simplify right side
    111,497.39x = 9,310,481,250.42
  5. Step 5: Solve for x
    x = 9,310,481,250.42/111,497.39
  6. Step 6: Final answer
    x = 83,504.03

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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.