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Finding the Fourth Proportional to 52,477,408.80, 78,730,858.80 and 25,551,943.20

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Solution

The fourth proportional to 52,477,408.80, 78,730,858.80 and 25,551,943.20 is: 38,335,094.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,477,408.80 : 78,730,858.80 = 25,551,943.20 : x
  2. Step 2: Convert to fraction form
    52,477,408.80/78,730,858.80 = 25,551,943.20/x
  3. Step 3: Cross multiply
    52,477,408.80x = 78,730,858.80 × 25,551,943.20
  4. Step 4: Simplify right side
    52,477,408.80x = 2,011,726,432,144,820
  5. Step 5: Solve for x
    x = 2,011,726,432,144,820/52,477,408.80
  6. Step 6: Final answer
    x = 38,335,094.63

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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.