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Finding the Fourth Proportional to 147,888,221.30, 221,832,331.95 and 147,888,221.30

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Solution

The fourth proportional to 147,888,221.30, 221,832,331.95 and 147,888,221.30 is: 221,832,331.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,888,221.30 : 221,832,331.95 = 147,888,221.30 : x
  2. Step 2: Convert to fraction form
    147,888,221.30/221,832,331.95 = 147,888,221.30/x
  3. Step 3: Cross multiply
    147,888,221.30x = 221,832,331.95 × 147,888,221.30
  4. Step 4: Simplify right side
    147,888,221.30x = 32,806,388,998,916,660
  5. Step 5: Solve for x
    x = 32,806,388,998,916,660/147,888,221.30
  6. Step 6: Final answer
    x = 221,832,331.95

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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.