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Finding the Fourth Proportional to 162,067.19, 223,664.02 and 90,448.38

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Solution

The fourth proportional to 162,067.19, 223,664.02 and 90,448.38 is: 124,825.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,067.19 : 223,664.02 = 90,448.38 : x
  2. Step 2: Convert to fraction form
    162,067.19/223,664.02 = 90,448.38/x
  3. Step 3: Cross multiply
    162,067.19x = 223,664.02 × 90,448.38
  4. Step 4: Simplify right side
    162,067.19x = 20,230,048,047.17
  5. Step 5: Solve for x
    x = 20,230,048,047.17/162,067.19
  6. Step 6: Final answer
    x = 124,825.07

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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.