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Finding the Fourth Proportional to 192,637, 265,839.06 and 125,569

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Solution

The fourth proportional to 192,637, 265,839.06 and 125,569 is: 173,285.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,637 : 265,839.06 = 125,569 : x
  2. Step 2: Convert to fraction form
    192,637/265,839.06 = 125,569/x
  3. Step 3: Cross multiply
    192,637x = 265,839.06 × 125,569
  4. Step 4: Simplify right side
    192,637x = 33,381,144,925.14
  5. Step 5: Solve for x
    x = 33,381,144,925.14/192,637
  6. Step 6: Final answer
    x = 173,285.22

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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.