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Finding the Fourth Proportional to 161,563.65, 222,925.26 and 97,864.44

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Solution

The fourth proportional to 161,563.65, 222,925.26 and 97,864.44 is: 135,033.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,563.65 : 222,925.26 = 97,864.44 : x
  2. Step 2: Convert to fraction form
    161,563.65/222,925.26 = 97,864.44/x
  3. Step 3: Cross multiply
    161,563.65x = 222,925.26 × 97,864.44
  4. Step 4: Simplify right side
    161,563.65x = 21,816,455,731.75
  5. Step 5: Solve for x
    x = 21,816,455,731.75/161,563.65
  6. Step 6: Final answer
    x = 135,033.19

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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.