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Finding the Fourth Proportional to 303,132.66, 418,317.54 and 167,179.16

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Solution

The fourth proportional to 303,132.66, 418,317.54 and 167,179.16 is: 230,704.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,132.66 : 418,317.54 = 167,179.16 : x
  2. Step 2: Convert to fraction form
    303,132.66/418,317.54 = 167,179.16/x
  3. Step 3: Cross multiply
    303,132.66x = 418,317.54 × 167,179.16
  4. Step 4: Simplify right side
    303,132.66x = 69,933,974,950.47
  5. Step 5: Solve for x
    x = 69,933,974,950.47/303,132.66
  6. Step 6: Final answer
    x = 230,704.19

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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.