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Finding the Fourth Proportional to 166,470.88, 249,740.88 and 55,660

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Solution

The fourth proportional to 166,470.88, 249,740.88 and 55,660 is: 83,501.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,470.88 : 249,740.88 = 55,660 : x
  2. Step 2: Convert to fraction form
    166,470.88/249,740.88 = 55,660/x
  3. Step 3: Cross multiply
    166,470.88x = 249,740.88 × 55,660
  4. Step 4: Simplify right side
    166,470.88x = 13,900,577,380.80
  5. Step 5: Solve for x
    x = 13,900,577,380.80/166,470.88
  6. Step 6: Final answer
    x = 83,501.56

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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.