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Finding the Fourth Proportional to 168,678.53, 232,950.68 and 145,908.22

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Solution

The fourth proportional to 168,678.53, 232,950.68 and 145,908.22 is: 201,504.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,678.53 : 232,950.68 = 145,908.22 : x
  2. Step 2: Convert to fraction form
    168,678.53/232,950.68 = 145,908.22/x
  3. Step 3: Cross multiply
    168,678.53x = 232,950.68 × 145,908.22
  4. Step 4: Simplify right side
    168,678.53x = 33,989,419,066.59
  5. Step 5: Solve for x
    x = 33,989,419,066.59/168,678.53
  6. Step 6: Final answer
    x = 201,504.12

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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.