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Finding the Fourth Proportional to 73,204,041.60, 109,774,569.60 and 36,798,364.80

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Solution

The fourth proportional to 73,204,041.60, 109,774,569.60 and 36,798,364.80 is: 55,181,716.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,204,041.60 : 109,774,569.60 = 36,798,364.80 : x
  2. Step 2: Convert to fraction form
    73,204,041.60/109,774,569.60 = 36,798,364.80/x
  3. Step 3: Cross multiply
    73,204,041.60x = 109,774,569.60 × 36,798,364.80
  4. Step 4: Simplify right side
    73,204,041.60x = 4,039,524,657,903,789.50
  5. Step 5: Solve for x
    x = 4,039,524,657,903,789.50/73,204,041.60
  6. Step 6: Final answer
    x = 55,181,716.33

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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.