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Finding the Fourth Proportional to 168,240.48, 232,198.56 and 101,172.48

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Solution

The fourth proportional to 168,240.48, 232,198.56 and 101,172.48 is: 139,634.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,240.48 : 232,198.56 = 101,172.48 : x
  2. Step 2: Convert to fraction form
    168,240.48/232,198.56 = 101,172.48/x
  3. Step 3: Cross multiply
    168,240.48x = 232,198.56 × 101,172.48
  4. Step 4: Simplify right side
    168,240.48x = 23,492,104,167.63
  5. Step 5: Solve for x
    x = 23,492,104,167.63/168,240.48
  6. Step 6: Final answer
    x = 139,634.08

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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.