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Finding the Fourth Proportional to 96,568,978.80, 144,853,468.20 and 45,550,642.80

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Solution

The fourth proportional to 96,568,978.80, 144,853,468.20 and 45,550,642.80 is: 68,325,964.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,568,978.80 : 144,853,468.20 = 45,550,642.80 : x
  2. Step 2: Convert to fraction form
    96,568,978.80/144,853,468.20 = 45,550,642.80/x
  3. Step 3: Cross multiply
    96,568,978.80x = 144,853,468.20 × 45,550,642.80
  4. Step 4: Simplify right side
    96,568,978.80x = 6,598,168,588,319,358
  5. Step 5: Solve for x
    x = 6,598,168,588,319,358/96,568,978.80
  6. Step 6: Final answer
    x = 68,325,964.20

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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.