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Finding the Fourth Proportional to 114,340.61, 171,538.18 and 39,461.41

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Solution

The fourth proportional to 114,340.61, 171,538.18 and 39,461.41 is: 59,201.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,340.61 : 171,538.18 = 39,461.41 : x
  2. Step 2: Convert to fraction form
    114,340.61/171,538.18 = 39,461.41/x
  3. Step 3: Cross multiply
    114,340.61x = 171,538.18 × 39,461.41
  4. Step 4: Simplify right side
    114,340.61x = 6,769,138,567.40
  5. Step 5: Solve for x
    x = 6,769,138,567.40/114,340.61
  6. Step 6: Final answer
    x = 59,201.52

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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.