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Finding the Fourth Proportional to 166,566.32, 249,870.22 and 54,257.88

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Solution

The fourth proportional to 166,566.32, 249,870.22 and 54,257.88 is: 81,393.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,566.32 : 249,870.22 = 54,257.88 : x
  2. Step 2: Convert to fraction form
    166,566.32/249,870.22 = 54,257.88/x
  3. Step 3: Cross multiply
    166,566.32x = 249,870.22 × 54,257.88
  4. Step 4: Simplify right side
    166,566.32x = 13,557,428,412.33
  5. Step 5: Solve for x
    x = 13,557,428,412.33/166,566.32
  6. Step 6: Final answer
    x = 81,393.58

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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.