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Finding the Fourth Proportional to 179,537.78, 247,759.09 and 97,866.90

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Solution

The fourth proportional to 179,537.78, 247,759.09 and 97,866.90 is: 135,054.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,537.78 : 247,759.09 = 97,866.90 : x
  2. Step 2: Convert to fraction form
    179,537.78/247,759.09 = 97,866.90/x
  3. Step 3: Cross multiply
    179,537.78x = 247,759.09 × 97,866.90
  4. Step 4: Simplify right side
    179,537.78x = 24,247,413,840.45
  5. Step 5: Solve for x
    x = 24,247,413,840.45/179,537.78
  6. Step 6: Final answer
    x = 135,054.66

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1.5x scale

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.