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Finding the Fourth Proportional to 48,504,978.40, 72,757,467.60 and 33,199,477.60

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Solution

The fourth proportional to 48,504,978.40, 72,757,467.60 and 33,199,477.60 is: 49,799,216.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,504,978.40 : 72,757,467.60 = 33,199,477.60 : x
  2. Step 2: Convert to fraction form
    48,504,978.40/72,757,467.60 = 33,199,477.60/x
  3. Step 3: Cross multiply
    48,504,978.40x = 72,757,467.60 × 33,199,477.60
  4. Step 4: Simplify right side
    48,504,978.40x = 2,415,509,915,818,925.50
  5. Step 5: Solve for x
    x = 2,415,509,915,818,925.50/48,504,978.40
  6. Step 6: Final answer
    x = 49,799,216.40

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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.