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Finding the Fourth Proportional to 124,645,889.88, 186,959,977.43 and 38,375,300.88

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Solution

The fourth proportional to 124,645,889.88, 186,959,977.43 and 38,375,300.88 is: 57,560,224.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,645,889.88 : 186,959,977.43 = 38,375,300.88 : x
  2. Step 2: Convert to fraction form
    124,645,889.88/186,959,977.43 = 38,375,300.88/x
  3. Step 3: Cross multiply
    124,645,889.88x = 186,959,977.43 × 38,375,300.88
  4. Step 4: Simplify right side
    124,645,889.88x = 7,174,645,386,202,384
  5. Step 5: Solve for x
    x = 7,174,645,386,202,384/124,645,889.88
  6. Step 6: Final answer
    x = 57,560,224.35

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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.