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Finding the Fourth Proportional to 72,582,003.70, 108,873,005.55 and 36,302,298.10

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Solution

The fourth proportional to 72,582,003.70, 108,873,005.55 and 36,302,298.10 is: 54,453,447.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,582,003.70 : 108,873,005.55 = 36,302,298.10 : x
  2. Step 2: Convert to fraction form
    72,582,003.70/108,873,005.55 = 36,302,298.10/x
  3. Step 3: Cross multiply
    72,582,003.70x = 108,873,005.55 × 36,302,298.10
  4. Step 4: Simplify right side
    72,582,003.70x = 3,952,340,302,519,054.50
  5. Step 5: Solve for x
    x = 3,952,340,302,519,054.50/72,582,003.70
  6. Step 6: Final answer
    x = 54,453,447.15

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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.