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Finding the Fourth Proportional to 53,414,909.60, 80,122,364.40 and 52,848,039.20

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Solution

The fourth proportional to 53,414,909.60, 80,122,364.40 and 52,848,039.20 is: 79,272,058.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,414,909.60 : 80,122,364.40 = 52,848,039.20 : x
  2. Step 2: Convert to fraction form
    53,414,909.60/80,122,364.40 = 52,848,039.20/x
  3. Step 3: Cross multiply
    53,414,909.60x = 80,122,364.40 × 52,848,039.20
  4. Step 4: Simplify right side
    53,414,909.60x = 4,234,309,854,607,885
  5. Step 5: Solve for x
    x = 4,234,309,854,607,885/53,414,909.60
  6. Step 6: Final answer
    x = 79,272,058.80

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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.