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Finding the Fourth Proportional to 269,658,725.71, 372,023,161.28 and 156,608,973.14

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Solution

The fourth proportional to 269,658,725.71, 372,023,161.28 and 156,608,973.14 is: 216,058,891.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,658,725.71 : 372,023,161.28 = 156,608,973.14 : x
  2. Step 2: Convert to fraction form
    269,658,725.71/372,023,161.28 = 156,608,973.14/x
  3. Step 3: Cross multiply
    269,658,725.71x = 372,023,161.28 × 156,608,973.14
  4. Step 4: Simplify right side
    269,658,725.71x = 58,262,165,272,357,400
  5. Step 5: Solve for x
    x = 58,262,165,272,357,400/269,658,725.71
  6. Step 6: Final answer
    x = 216,058,891.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.