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Finding the Fourth Proportional to 177,143.76, 265,842 and 98,321.04

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Solution

The fourth proportional to 177,143.76, 265,842 and 98,321.04 is: 147,551.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,143.76 : 265,842 = 98,321.04 : x
  2. Step 2: Convert to fraction form
    177,143.76/265,842 = 98,321.04/x
  3. Step 3: Cross multiply
    177,143.76x = 265,842 × 98,321.04
  4. Step 4: Simplify right side
    177,143.76x = 26,137,861,915.68
  5. Step 5: Solve for x
    x = 26,137,861,915.68/177,143.76
  6. Step 6: Final answer
    x = 147,551.69

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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.