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Finding the Fourth Proportional to 53,447,200.80, 80,170,801.20 and 53,447,200.80

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Solution

The fourth proportional to 53,447,200.80, 80,170,801.20 and 53,447,200.80 is: 80,170,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,447,200.80 : 80,170,801.20 = 53,447,200.80 : x
  2. Step 2: Convert to fraction form
    53,447,200.80/80,170,801.20 = 53,447,200.80/x
  3. Step 3: Cross multiply
    53,447,200.80x = 80,170,801.20 × 53,447,200.80
  4. Step 4: Simplify right side
    53,447,200.80x = 4,284,904,910,033,281
  5. Step 5: Solve for x
    x = 4,284,904,910,033,281/53,447,200.80
  6. Step 6: Final answer
    x = 80,170,801.20

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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.