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Finding the Fourth Proportional to 170,858.10, 256,285.80 and 44,498.10

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Solution

The fourth proportional to 170,858.10, 256,285.80 and 44,498.10 is: 66,746.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,858.10 : 256,285.80 = 44,498.10 : x
  2. Step 2: Convert to fraction form
    170,858.10/256,285.80 = 44,498.10/x
  3. Step 3: Cross multiply
    170,858.10x = 256,285.80 × 44,498.10
  4. Step 4: Simplify right side
    170,858.10x = 11,404,231,156.98
  5. Step 5: Solve for x
    x = 11,404,231,156.98/170,858.10
  6. Step 6: Final answer
    x = 66,746.80

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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.