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Finding the Fourth Proportional to 166,608.90, 249,910.89 and 40,248.06

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Solution

The fourth proportional to 166,608.90, 249,910.89 and 40,248.06 is: 60,371.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,608.90 : 249,910.89 = 40,248.06 : x
  2. Step 2: Convert to fraction form
    166,608.90/249,910.89 = 40,248.06/x
  3. Step 3: Cross multiply
    166,608.90x = 249,910.89 × 40,248.06
  4. Step 4: Simplify right side
    166,608.90x = 10,058,428,495.37
  5. Step 5: Solve for x
    x = 10,058,428,495.37/166,608.90
  6. Step 6: Final answer
    x = 60,371.50

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1.5x scale

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.