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Finding the Fourth Proportional to 166,239, 249,467.92 and 61,058.88

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Solution

The fourth proportional to 166,239, 249,467.92 and 61,058.88 is: 91,628.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,239 : 249,467.92 = 61,058.88 : x
  2. Step 2: Convert to fraction form
    166,239/249,467.92 = 61,058.88/x
  3. Step 3: Cross multiply
    166,239x = 249,467.92 × 61,058.88
  4. Step 4: Simplify right side
    166,239x = 15,232,231,791.13
  5. Step 5: Solve for x
    x = 15,232,231,791.13/166,239
  6. Step 6: Final answer
    x = 91,628.51

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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.