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Finding the Fourth Proportional to 53,649,365.20, 80,474,047.80 and 19,571,822.80

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Solution

The fourth proportional to 53,649,365.20, 80,474,047.80 and 19,571,822.80 is: 29,357,734.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,649,365.20 : 80,474,047.80 = 19,571,822.80 : x
  2. Step 2: Convert to fraction form
    53,649,365.20/80,474,047.80 = 19,571,822.80/x
  3. Step 3: Cross multiply
    53,649,365.20x = 80,474,047.80 × 19,571,822.80
  4. Step 4: Simplify right side
    53,649,365.20x = 1,575,023,803,540,329.75
  5. Step 5: Solve for x
    x = 1,575,023,803,540,329.75/53,649,365.20
  6. Step 6: Final answer
    x = 29,357,734.20

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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.