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Finding the Fourth Proportional to 171,006.65, 236,012.62 and 98,408.05

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Solution

The fourth proportional to 171,006.65, 236,012.62 and 98,408.05 is: 135,816.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,006.65 : 236,012.62 = 98,408.05 : x
  2. Step 2: Convert to fraction form
    171,006.65/236,012.62 = 98,408.05/x
  3. Step 3: Cross multiply
    171,006.65x = 236,012.62 × 98,408.05
  4. Step 4: Simplify right side
    171,006.65x = 23,225,540,627.52
  5. Step 5: Solve for x
    x = 23,225,540,627.52/171,006.65
  6. Step 6: Final answer
    x = 135,816.60

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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.