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Finding the Fourth Proportional to 149,248.88, 206,006.88 and 119,243.12

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Solution

The fourth proportional to 149,248.88, 206,006.88 and 119,243.12 is: 164,590.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,248.88 : 206,006.88 = 119,243.12 : x
  2. Step 2: Convert to fraction form
    149,248.88/206,006.88 = 119,243.12/x
  3. Step 3: Cross multiply
    149,248.88x = 206,006.88 × 119,243.12
  4. Step 4: Simplify right side
    149,248.88x = 24,564,903,112.67
  5. Step 5: Solve for x
    x = 24,564,903,112.67/149,248.88
  6. Step 6: Final answer
    x = 164,590.20

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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.