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Finding the Fourth Proportional to 231,938,550.80, 347,906,443.80 and 59,415,030.80

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Solution

The fourth proportional to 231,938,550.80, 347,906,443.80 and 59,415,030.80 is: 89,122,192.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,938,550.80 : 347,906,443.80 = 59,415,030.80 : x
  2. Step 2: Convert to fraction form
    231,938,550.80/347,906,443.80 = 59,415,030.80/x
  3. Step 3: Cross multiply
    231,938,550.80x = 347,906,443.80 × 59,415,030.80
  4. Step 4: Simplify right side
    231,938,550.80x = 20,670,872,073,895,468
  5. Step 5: Solve for x
    x = 20,670,872,073,895,468/231,938,550.80
  6. Step 6: Final answer
    x = 89,122,192.07

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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.