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Finding the Fourth Proportional to 31,593,334.80, 47,319,143.40 and 31,593,334.80

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Solution

The fourth proportional to 31,593,334.80, 47,319,143.40 and 31,593,334.80 is: 47,319,143.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,593,334.80 : 47,319,143.40 = 31,593,334.80 : x
  2. Step 2: Convert to fraction form
    31,593,334.80/47,319,143.40 = 31,593,334.80/x
  3. Step 3: Cross multiply
    31,593,334.80x = 47,319,143.40 × 31,593,334.80
  4. Step 4: Simplify right side
    31,593,334.80x = 1,494,969,539,885,410.25
  5. Step 5: Solve for x
    x = 1,494,969,539,885,410.25/31,593,334.80
  6. Step 6: Final answer
    x = 47,319,143.40

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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.