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Finding the Fourth Proportional to 166,468.49, 249,727.59 and 61,279.46

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Solution

The fourth proportional to 166,468.49, 249,727.59 and 61,279.46 is: 91,928.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,468.49 : 249,727.59 = 61,279.46 : x
  2. Step 2: Convert to fraction form
    166,468.49/249,727.59 = 61,279.46/x
  3. Step 3: Cross multiply
    166,468.49x = 249,727.59 × 61,279.46
  4. Step 4: Simplify right side
    166,468.49x = 15,303,171,862.30
  5. Step 5: Solve for x
    x = 15,303,171,862.30/166,468.49
  6. Step 6: Final answer
    x = 91,928.34

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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.