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Finding the Fourth Proportional to 158,895.36, 238,443.48 and 88,820.64

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Solution

The fourth proportional to 158,895.36, 238,443.48 and 88,820.64 is: 133,287.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,895.36 : 238,443.48 = 88,820.64 : x
  2. Step 2: Convert to fraction form
    158,895.36/238,443.48 = 88,820.64/x
  3. Step 3: Cross multiply
    158,895.36x = 238,443.48 × 88,820.64
  4. Step 4: Simplify right side
    158,895.36x = 21,178,702,497.43
  5. Step 5: Solve for x
    x = 21,178,702,497.43/158,895.36
  6. Step 6: Final answer
    x = 133,287.10

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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.