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Finding the Fourth Proportional to 79,417.71, 119,091.58 and 37,309.75

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Solution

The fourth proportional to 79,417.71, 119,091.58 and 37,309.75 is: 55,948.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,417.71 : 119,091.58 = 37,309.75 : x
  2. Step 2: Convert to fraction form
    79,417.71/119,091.58 = 37,309.75/x
  3. Step 3: Cross multiply
    79,417.71x = 119,091.58 × 37,309.75
  4. Step 4: Simplify right side
    79,417.71x = 4,443,277,281.36
  5. Step 5: Solve for x
    x = 4,443,277,281.36/79,417.71
  6. Step 6: Final answer
    x = 55,948.20

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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.