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Finding the Fourth Proportional to 73,395,337.60, 110,093,006.40 and 49,208,867.20

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Solution

The fourth proportional to 73,395,337.60, 110,093,006.40 and 49,208,867.20 is: 73,813,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,395,337.60 : 110,093,006.40 = 49,208,867.20 : x
  2. Step 2: Convert to fraction form
    73,395,337.60/110,093,006.40 = 49,208,867.20/x
  3. Step 3: Cross multiply
    73,395,337.60x = 110,093,006.40 × 49,208,867.20
  4. Step 4: Simplify right side
    73,395,337.60x = 5,417,552,131,586,351
  5. Step 5: Solve for x
    x = 5,417,552,131,586,351/73,395,337.60
  6. Step 6: Final answer
    x = 73,813,300.80

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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.