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Finding the Fourth Proportional to 301,906,202.09, 452,784,507.72 and 129,363,449.45

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Solution

The fourth proportional to 301,906,202.09, 452,784,507.72 and 129,363,449.45 is: 194,013,125.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,906,202.09 : 452,784,507.72 = 129,363,449.45 : x
  2. Step 2: Convert to fraction form
    301,906,202.09/452,784,507.72 = 129,363,449.45/x
  3. Step 3: Cross multiply
    301,906,202.09x = 452,784,507.72 × 129,363,449.45
  4. Step 4: Simplify right side
    301,906,202.09x = 58,573,765,776,179,360
  5. Step 5: Solve for x
    x = 58,573,765,776,179,360/301,906,202.09
  6. Step 6: Final answer
    x = 194,013,125.17

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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.