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Finding the Fourth Proportional to 158,714, 238,137.75 and 98,792.57

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Solution

The fourth proportional to 158,714, 238,137.75 and 98,792.57 is: 148,230.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,714 : 238,137.75 = 98,792.57 : x
  2. Step 2: Convert to fraction form
    158,714/238,137.75 = 98,792.57/x
  3. Step 3: Cross multiply
    158,714x = 238,137.75 × 98,792.57
  4. Step 4: Simplify right side
    158,714x = 23,526,240,336.52
  5. Step 5: Solve for x
    x = 23,526,240,336.52/158,714
  6. Step 6: Final answer
    x = 148,230.40

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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.