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Finding the Fourth Proportional to 229,856.58, 317,287.80 and 134,393.94

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Solution

The fourth proportional to 229,856.58, 317,287.80 and 134,393.94 is: 185,513.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,856.58 : 317,287.80 = 134,393.94 : x
  2. Step 2: Convert to fraction form
    229,856.58/317,287.80 = 134,393.94/x
  3. Step 3: Cross multiply
    229,856.58x = 317,287.80 × 134,393.94
  4. Step 4: Simplify right side
    229,856.58x = 42,641,557,555.93
  5. Step 5: Solve for x
    x = 42,641,557,555.93/229,856.58
  6. Step 6: Final answer
    x = 185,513.76

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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.