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Finding the Fourth Proportional to 174,142.64, 240,330.84 and 98,696

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Solution

The fourth proportional to 174,142.64, 240,330.84 and 98,696 is: 136,208.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,142.64 : 240,330.84 = 98,696 : x
  2. Step 2: Convert to fraction form
    174,142.64/240,330.84 = 98,696/x
  3. Step 3: Cross multiply
    174,142.64x = 240,330.84 × 98,696
  4. Step 4: Simplify right side
    174,142.64x = 23,719,692,584.64
  5. Step 5: Solve for x
    x = 23,719,692,584.64/174,142.64
  6. Step 6: Final answer
    x = 136,208.41

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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.