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Finding the Fourth Proportional to 162,289.78, 223,921.49 and 94,266.32

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Solution

The fourth proportional to 162,289.78, 223,921.49 and 94,266.32 is: 130,065.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,289.78 : 223,921.49 = 94,266.32 : x
  2. Step 2: Convert to fraction form
    162,289.78/223,921.49 = 94,266.32/x
  3. Step 3: Cross multiply
    162,289.78x = 223,921.49 × 94,266.32
  4. Step 4: Simplify right side
    162,289.78x = 21,108,253,240.28
  5. Step 5: Solve for x
    x = 21,108,253,240.28/162,289.78
  6. Step 6: Final answer
    x = 130,065.21

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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.