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Finding the Fourth Proportional to 44,496,745.20, 66,745,117.80 and 31,582,728.90

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Solution

The fourth proportional to 44,496,745.20, 66,745,117.80 and 31,582,728.90 is: 47,374,093.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,496,745.20 : 66,745,117.80 = 31,582,728.90 : x
  2. Step 2: Convert to fraction form
    44,496,745.20/66,745,117.80 = 31,582,728.90/x
  3. Step 3: Cross multiply
    44,496,745.20x = 66,745,117.80 × 31,582,728.90
  4. Step 4: Simplify right side
    44,496,745.20x = 2,107,992,960,875,964.25
  5. Step 5: Solve for x
    x = 2,107,992,960,875,964.25/44,496,745.20
  6. Step 6: Final answer
    x = 47,374,093.35

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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.