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Finding the Fourth Proportional to 108,406.74, 162,569.71 and 37,309.50

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Solution

The fourth proportional to 108,406.74, 162,569.71 and 37,309.50 is: 55,950.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,406.74 : 162,569.71 = 37,309.50 : x
  2. Step 2: Convert to fraction form
    108,406.74/162,569.71 = 37,309.50/x
  3. Step 3: Cross multiply
    108,406.74x = 162,569.71 × 37,309.50
  4. Step 4: Simplify right side
    108,406.74x = 6,065,394,595.25
  5. Step 5: Solve for x
    x = 6,065,394,595.25/108,406.74
  6. Step 6: Final answer
    x = 55,950.35

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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.