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Finding the Fourth Proportional to 93,340,236.80, 139,968,364.80 and 35,813,388.80

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Solution

The fourth proportional to 93,340,236.80, 139,968,364.80 and 35,813,388.80 is: 53,703,972.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,340,236.80 : 139,968,364.80 = 35,813,388.80 : x
  2. Step 2: Convert to fraction form
    93,340,236.80/139,968,364.80 = 35,813,388.80/x
  3. Step 3: Cross multiply
    93,340,236.80x = 139,968,364.80 × 35,813,388.80
  4. Step 4: Simplify right side
    93,340,236.80x = 5,012,741,468,282,634
  5. Step 5: Solve for x
    x = 5,012,741,468,282,634/93,340,236.80
  6. Step 6: Final answer
    x = 53,703,972.05

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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.