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Finding the Fourth Proportional to 302,785.49, 454,271.66 and 113,265

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Solution

The fourth proportional to 302,785.49, 454,271.66 and 113,265 is: 169,932.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,785.49 : 454,271.66 = 113,265 : x
  2. Step 2: Convert to fraction form
    302,785.49/454,271.66 = 113,265/x
  3. Step 3: Cross multiply
    302,785.49x = 454,271.66 × 113,265
  4. Step 4: Simplify right side
    302,785.49x = 51,453,079,003.58
  5. Step 5: Solve for x
    x = 51,453,079,003.58/302,785.49
  6. Step 6: Final answer
    x = 169,932.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.