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Finding the Fourth Proportional to 158,465.52, 218,684.88 and 94,806

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Solution

The fourth proportional to 158,465.52, 218,684.88 and 94,806 is: 130,833.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,465.52 : 218,684.88 = 94,806 : x
  2. Step 2: Convert to fraction form
    158,465.52/218,684.88 = 94,806/x
  3. Step 3: Cross multiply
    158,465.52x = 218,684.88 × 94,806
  4. Step 4: Simplify right side
    158,465.52x = 20,732,638,733.28
  5. Step 5: Solve for x
    x = 20,732,638,733.28/158,465.52
  6. Step 6: Final answer
    x = 130,833.75

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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.