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Finding the Fourth Proportional to 96,496.40, 144,437.40 and 68,848.40

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Solution

The fourth proportional to 96,496.40, 144,437.40 and 68,848.40 is: 103,053.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,496.40 : 144,437.40 = 68,848.40 : x
  2. Step 2: Convert to fraction form
    96,496.40/144,437.40 = 68,848.40/x
  3. Step 3: Cross multiply
    96,496.40x = 144,437.40 × 68,848.40
  4. Step 4: Simplify right side
    96,496.40x = 9,944,283,890.16
  5. Step 5: Solve for x
    x = 9,944,283,890.16/96,496.40
  6. Step 6: Final answer
    x = 103,053.42

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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.