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Finding the Fourth Proportional to 215,283.92, 297,067.08 and 124,641.68

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Solution

The fourth proportional to 215,283.92, 297,067.08 and 124,641.68 is: 171,991.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,283.92 : 297,067.08 = 124,641.68 : x
  2. Step 2: Convert to fraction form
    215,283.92/297,067.08 = 124,641.68/x
  3. Step 3: Cross multiply
    215,283.92x = 297,067.08 × 124,641.68
  4. Step 4: Simplify right side
    215,283.92x = 37,026,939,923.89
  5. Step 5: Solve for x
    x = 37,026,939,923.89/215,283.92
  6. Step 6: Final answer
    x = 171,991.20

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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.