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Finding the Fourth Proportional to 110,653,620.80, 165,868,456.80 and 65,192,014.40

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Solution

The fourth proportional to 110,653,620.80, 165,868,456.80 and 65,192,014.40 is: 97,722,051.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,653,620.80 : 165,868,456.80 = 65,192,014.40 : x
  2. Step 2: Convert to fraction form
    110,653,620.80/165,868,456.80 = 65,192,014.40/x
  3. Step 3: Cross multiply
    110,653,620.80x = 165,868,456.80 × 65,192,014.40
  4. Step 4: Simplify right side
    110,653,620.80x = 10,813,298,824,211,378
  5. Step 5: Solve for x
    x = 10,813,298,824,211,378/110,653,620.80
  6. Step 6: Final answer
    x = 97,722,051.44

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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.