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Finding the Fourth Proportional to 158,969.49, 238,496.16 and 92,345.58

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Solution

The fourth proportional to 158,969.49, 238,496.16 and 92,345.58 is: 138,542.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,969.49 : 238,496.16 = 92,345.58 : x
  2. Step 2: Convert to fraction form
    158,969.49/238,496.16 = 92,345.58/x
  3. Step 3: Cross multiply
    158,969.49x = 238,496.16 × 92,345.58
  4. Step 4: Simplify right side
    158,969.49x = 22,024,066,222.97
  5. Step 5: Solve for x
    x = 22,024,066,222.97/158,969.49
  6. Step 6: Final answer
    x = 138,542.72

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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.