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Finding the Fourth Proportional to 166,242.72, 249,396.60 and 61,062.48

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Solution

The fourth proportional to 166,242.72, 249,396.60 and 61,062.48 is: 91,605.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,242.72 : 249,396.60 = 61,062.48 : x
  2. Step 2: Convert to fraction form
    166,242.72/249,396.60 = 61,062.48/x
  3. Step 3: Cross multiply
    166,242.72x = 249,396.60 × 61,062.48
  4. Step 4: Simplify right side
    166,242.72x = 15,228,774,899.57
  5. Step 5: Solve for x
    x = 15,228,774,899.57/166,242.72
  6. Step 6: Final answer
    x = 91,605.66

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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.