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Finding the Fourth Proportional to 149,805,344.40, 224,875,978.20 and 115,877,101.20

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Solution

The fourth proportional to 149,805,344.40, 224,875,978.20 and 115,877,101.20 is: 173,945,573.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,805,344.40 : 224,875,978.20 = 115,877,101.20 : x
  2. Step 2: Convert to fraction form
    149,805,344.40/224,875,978.20 = 115,877,101.20/x
  3. Step 3: Cross multiply
    149,805,344.40x = 224,875,978.20 × 115,877,101.20
  4. Step 4: Simplify right side
    149,805,344.40x = 26,057,976,483,330,392
  5. Step 5: Solve for x
    x = 26,057,976,483,330,392/149,805,344.40
  6. Step 6: Final answer
    x = 173,945,573.09

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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.