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Finding the Fourth Proportional to 268,887.68, 371,048.64 and 148,005.44

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Solution

The fourth proportional to 268,887.68, 371,048.64 and 148,005.44 is: 204,238.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,887.68 : 371,048.64 = 148,005.44 : x
  2. Step 2: Convert to fraction form
    268,887.68/371,048.64 = 148,005.44/x
  3. Step 3: Cross multiply
    268,887.68x = 371,048.64 × 148,005.44
  4. Step 4: Simplify right side
    268,887.68x = 54,917,217,224.60
  5. Step 5: Solve for x
    x = 54,917,217,224.60/268,887.68
  6. Step 6: Final answer
    x = 204,238.50

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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.