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Finding the Fourth Proportional to 96,879,164.80, 145,346,740.80 and 28,723,496.80

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Solution

The fourth proportional to 96,879,164.80, 145,346,740.80 and 28,723,496.80 is: 43,093,544.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,879,164.80 : 145,346,740.80 = 28,723,496.80 : x
  2. Step 2: Convert to fraction form
    96,879,164.80/145,346,740.80 = 28,723,496.80/x
  3. Step 3: Cross multiply
    96,879,164.80x = 145,346,740.80 × 28,723,496.80
  4. Step 4: Simplify right side
    96,879,164.80x = 4,174,866,644,259,230
  5. Step 5: Solve for x
    x = 4,174,866,644,259,230/96,879,164.80
  6. Step 6: Final answer
    x = 43,093,544.96

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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.