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Finding the Fourth Proportional to 119,585.64, 179,386.60 and 39,623.42

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Solution

The fourth proportional to 119,585.64, 179,386.60 and 39,623.42 is: 59,437.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,585.64 : 179,386.60 = 39,623.42 : x
  2. Step 2: Convert to fraction form
    119,585.64/179,386.60 = 39,623.42/x
  3. Step 3: Cross multiply
    119,585.64x = 179,386.60 × 39,623.42
  4. Step 4: Simplify right side
    119,585.64x = 7,107,910,594.17
  5. Step 5: Solve for x
    x = 7,107,910,594.17/119,585.64
  6. Step 6: Final answer
    x = 59,437.83

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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.