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Finding the Fourth Proportional to 170,297, 255,449.82 and 59,489

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Solution

The fourth proportional to 170,297, 255,449.82 and 59,489 is: 89,235.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,297 : 255,449.82 = 59,489 : x
  2. Step 2: Convert to fraction form
    170,297/255,449.82 = 59,489/x
  3. Step 3: Cross multiply
    170,297x = 255,449.82 × 59,489
  4. Step 4: Simplify right side
    170,297x = 15,196,454,341.98
  5. Step 5: Solve for x
    x = 15,196,454,341.98/170,297
  6. Step 6: Final answer
    x = 89,235.01

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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.