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Finding the Fourth Proportional to 168,700.14, 232,655.39 and 139,974.30

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Solution

The fourth proportional to 168,700.14, 232,655.39 and 139,974.30 is: 193,039.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,700.14 : 232,655.39 = 139,974.30 : x
  2. Step 2: Convert to fraction form
    168,700.14/232,655.39 = 139,974.30/x
  3. Step 3: Cross multiply
    168,700.14x = 232,655.39 × 139,974.30
  4. Step 4: Simplify right side
    168,700.14x = 32,565,775,356.48
  5. Step 5: Solve for x
    x = 32,565,775,356.48/168,700.14
  6. Step 6: Final answer
    x = 193,039.41

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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.