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Finding the Fourth Proportional to 160,931.91, 222,034.66 and 92,939.91

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Solution

The fourth proportional to 160,931.91, 222,034.66 and 92,939.91 is: 128,227.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,931.91 : 222,034.66 = 92,939.91 : x
  2. Step 2: Convert to fraction form
    160,931.91/222,034.66 = 92,939.91/x
  3. Step 3: Cross multiply
    160,931.91x = 222,034.66 × 92,939.91
  4. Step 4: Simplify right side
    160,931.91x = 20,635,881,317.28
  5. Step 5: Solve for x
    x = 20,635,881,317.28/160,931.91
  6. Step 6: Final answer
    x = 128,227.41

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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.