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Finding the Fourth Proportional to 167,011.60, 230,486.64 and 91,560.16

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Solution

The fourth proportional to 167,011.60, 230,486.64 and 91,560.16 is: 126,358.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,011.60 : 230,486.64 = 91,560.16 : x
  2. Step 2: Convert to fraction form
    167,011.60/230,486.64 = 91,560.16/x
  3. Step 3: Cross multiply
    167,011.60x = 230,486.64 × 91,560.16
  4. Step 4: Simplify right side
    167,011.60x = 21,103,393,636.26
  5. Step 5: Solve for x
    x = 21,103,393,636.26/167,011.60
  6. Step 6: Final answer
    x = 126,358.85

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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.