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Finding the Fourth Proportional to 180,379.88, 249,024.34 and 108,778.04

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Solution

The fourth proportional to 180,379.88, 249,024.34 and 108,778.04 is: 150,174.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,379.88 : 249,024.34 = 108,778.04 : x
  2. Step 2: Convert to fraction form
    180,379.88/249,024.34 = 108,778.04/x
  3. Step 3: Cross multiply
    180,379.88x = 249,024.34 × 108,778.04
  4. Step 4: Simplify right side
    180,379.88x = 27,088,379,617.49
  5. Step 5: Solve for x
    x = 27,088,379,617.49/180,379.88
  6. Step 6: Final answer
    x = 150,174.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.