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Finding the Fourth Proportional to 229,448,101.20, 321,466,220.40 and 229,448,101.20

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Solution

The fourth proportional to 229,448,101.20, 321,466,220.40 and 229,448,101.20 is: 321,466,220.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,448,101.20 : 321,466,220.40 = 229,448,101.20 : x
  2. Step 2: Convert to fraction form
    229,448,101.20/321,466,220.40 = 229,448,101.20/x
  3. Step 3: Cross multiply
    229,448,101.20x = 321,466,220.40 × 229,448,101.20
  4. Step 4: Simplify right side
    229,448,101.20x = 73,759,813,870,720,688
  5. Step 5: Solve for x
    x = 73,759,813,870,720,688/229,448,101.20
  6. Step 6: Final answer
    x = 321,466,220.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.