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Finding the Fourth Proportional to 169,453.05, 233,843.69 and 92,970.69

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Solution

The fourth proportional to 169,453.05, 233,843.69 and 92,970.69 is: 128,298.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,453.05 : 233,843.69 = 92,970.69 : x
  2. Step 2: Convert to fraction form
    169,453.05/233,843.69 = 92,970.69/x
  3. Step 3: Cross multiply
    169,453.05x = 233,843.69 × 92,970.69
  4. Step 4: Simplify right side
    169,453.05x = 21,740,608,566.96
  5. Step 5: Solve for x
    x = 21,740,608,566.96/169,453.05
  6. Step 6: Final answer
    x = 128,298.72

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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.