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Finding the Fourth Proportional to 166,377.54, 249,552.29 and 71,603.90

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Solution

The fourth proportional to 166,377.54, 249,552.29 and 71,603.90 is: 107,399.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,377.54 : 249,552.29 = 71,603.90 : x
  2. Step 2: Convert to fraction form
    166,377.54/249,552.29 = 71,603.90/x
  3. Step 3: Cross multiply
    166,377.54x = 249,552.29 × 71,603.90
  4. Step 4: Simplify right side
    166,377.54x = 17,868,917,085.00
  5. Step 5: Solve for x
    x = 17,868,917,085.00/166,377.54
  6. Step 6: Final answer
    x = 107,399.81

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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.