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Finding the Fourth Proportional to 96,498.40, 144,440.40 and 68,850.40

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Solution

The fourth proportional to 96,498.40, 144,440.40 and 68,850.40 is: 103,056.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,498.40 : 144,440.40 = 68,850.40 : x
  2. Step 2: Convert to fraction form
    96,498.40/144,440.40 = 68,850.40/x
  3. Step 3: Cross multiply
    96,498.40x = 144,440.40 × 68,850.40
  4. Step 4: Simplify right side
    96,498.40x = 9,944,779,316.16
  5. Step 5: Solve for x
    x = 9,944,779,316.16/96,498.40
  6. Step 6: Final answer
    x = 103,056.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.