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Finding the Fourth Proportional to 200,669,793.30, 301,004,689.95 and 109,970,529.30

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Solution

The fourth proportional to 200,669,793.30, 301,004,689.95 and 109,970,529.30 is: 164,955,793.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,669,793.30 : 301,004,689.95 = 109,970,529.30 : x
  2. Step 2: Convert to fraction form
    200,669,793.30/301,004,689.95 = 109,970,529.30/x
  3. Step 3: Cross multiply
    200,669,793.30x = 301,004,689.95 × 109,970,529.30
  4. Step 4: Simplify right side
    200,669,793.30x = 33,101,645,075,583,888
  5. Step 5: Solve for x
    x = 33,101,645,075,583,888/200,669,793.30
  6. Step 6: Final answer
    x = 164,955,793.95

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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.