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Finding the Fourth Proportional to 111,264.24, 153,544.74 and 60,963.24

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Solution

The fourth proportional to 111,264.24, 153,544.74 and 60,963.24 is: 84,129.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,264.24 : 153,544.74 = 60,963.24 : x
  2. Step 2: Convert to fraction form
    111,264.24/153,544.74 = 60,963.24/x
  3. Step 3: Cross multiply
    111,264.24x = 153,544.74 × 60,963.24
  4. Step 4: Simplify right side
    111,264.24x = 9,360,584,835.36
  5. Step 5: Solve for x
    x = 9,360,584,835.36/111,264.24
  6. Step 6: Final answer
    x = 84,129.32

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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.