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Finding the Fourth Proportional to 166,657.91, 249,986.45 and 55,849.91

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Solution

The fourth proportional to 166,657.91, 249,986.45 and 55,849.91 is: 83,774.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,657.91 : 249,986.45 = 55,849.91 : x
  2. Step 2: Convert to fraction form
    166,657.91/249,986.45 = 55,849.91/x
  3. Step 3: Cross multiply
    166,657.91x = 249,986.45 × 55,849.91
  4. Step 4: Simplify right side
    166,657.91x = 13,961,719,623.41
  5. Step 5: Solve for x
    x = 13,961,719,623.41/166,657.91
  6. Step 6: Final answer
    x = 83,774.72

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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.