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Finding the Fourth Proportional to 170,276, 234,980.82 and 98,697.52

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Solution

The fourth proportional to 170,276, 234,980.82 and 98,697.52 is: 136,202.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,276 : 234,980.82 = 98,697.52 : x
  2. Step 2: Convert to fraction form
    170,276/234,980.82 = 98,697.52/x
  3. Step 3: Cross multiply
    170,276x = 234,980.82 × 98,697.52
  4. Step 4: Simplify right side
    170,276x = 23,192,024,181.57
  5. Step 5: Solve for x
    x = 23,192,024,181.57/170,276
  6. Step 6: Final answer
    x = 136,202.54

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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.