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Finding the Fourth Proportional to 162,857.62, 224,742.28 and 91,238.23

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Solution

The fourth proportional to 162,857.62, 224,742.28 and 91,238.23 is: 125,908.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,857.62 : 224,742.28 = 91,238.23 : x
  2. Step 2: Convert to fraction form
    162,857.62/224,742.28 = 91,238.23/x
  3. Step 3: Cross multiply
    162,857.62x = 224,742.28 × 91,238.23
  4. Step 4: Simplify right side
    162,857.62x = 20,505,087,833.36
  5. Step 5: Solve for x
    x = 20,505,087,833.36/162,857.62
  6. Step 6: Final answer
    x = 125,908.07

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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.