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Finding the Fourth Proportional to 111,105, 153,328.14 and 60,807.24

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Solution

The fourth proportional to 111,105, 153,328.14 and 60,807.24 is: 83,915.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,105 : 153,328.14 = 60,807.24 : x
  2. Step 2: Convert to fraction form
    111,105/153,328.14 = 60,807.24/x
  3. Step 3: Cross multiply
    111,105x = 153,328.14 × 60,807.24
  4. Step 4: Simplify right side
    111,105x = 9,323,461,007.73
  5. Step 5: Solve for x
    x = 9,323,461,007.73/111,105
  6. Step 6: Final answer
    x = 83,915.76

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