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Finding the Fourth Proportional to 162,033.52, 223,617.36 and 90,427.36

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Solution

The fourth proportional to 162,033.52, 223,617.36 and 90,427.36 is: 124,795.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,033.52 : 223,617.36 = 90,427.36 : x
  2. Step 2: Convert to fraction form
    162,033.52/223,617.36 = 90,427.36/x
  3. Step 3: Cross multiply
    162,033.52x = 223,617.36 × 90,427.36
  4. Step 4: Simplify right side
    162,033.52x = 20,221,127,514.97
  5. Step 5: Solve for x
    x = 20,221,127,514.97/162,033.52
  6. Step 6: Final answer
    x = 124,795.95

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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.