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Finding the Fourth Proportional to 115,525, 159,424.98 and 62,533

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Solution

The fourth proportional to 115,525, 159,424.98 and 62,533 is: 86,295.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,525 : 159,424.98 = 62,533 : x
  2. Step 2: Convert to fraction form
    115,525/159,424.98 = 62,533/x
  3. Step 3: Cross multiply
    115,525x = 159,424.98 × 62,533
  4. Step 4: Simplify right side
    115,525x = 9,969,322,274.34
  5. Step 5: Solve for x
    x = 9,969,322,274.34/115,525
  6. Step 6: Final answer
    x = 86,295.80

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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.