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Finding the Fourth Proportional to 94,182.58, 129,979.25 and 53,908.98

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Solution

The fourth proportional to 94,182.58, 129,979.25 and 53,908.98 is: 74,398.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,182.58 : 129,979.25 = 53,908.98 : x
  2. Step 2: Convert to fraction form
    94,182.58/129,979.25 = 53,908.98/x
  3. Step 3: Cross multiply
    94,182.58x = 129,979.25 × 53,908.98
  4. Step 4: Simplify right side
    94,182.58x = 7,007,048,788.67
  5. Step 5: Solve for x
    x = 7,007,048,788.67/94,182.58
  6. Step 6: Final answer
    x = 74,398.56

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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.