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Finding the Fourth Proportional to 171,099.83, 236,006.55 and 109,748.90

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Solution

The fourth proportional to 171,099.83, 236,006.55 and 109,748.90 is: 151,382.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,099.83 : 236,006.55 = 109,748.90 : x
  2. Step 2: Convert to fraction form
    171,099.83/236,006.55 = 109,748.90/x
  3. Step 3: Cross multiply
    171,099.83x = 236,006.55 × 109,748.90
  4. Step 4: Simplify right side
    171,099.83x = 25,901,458,075.26
  5. Step 5: Solve for x
    x = 25,901,458,075.26/171,099.83
  6. Step 6: Final answer
    x = 151,382.14

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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.