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Finding the Fourth Proportional to 238,506.01, 329,146.19 and 131,079.85

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Solution

The fourth proportional to 238,506.01, 329,146.19 and 131,079.85 is: 180,894.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,506.01 : 329,146.19 = 131,079.85 : x
  2. Step 2: Convert to fraction form
    238,506.01/329,146.19 = 131,079.85/x
  3. Step 3: Cross multiply
    238,506.01x = 329,146.19 × 131,079.85
  4. Step 4: Simplify right side
    238,506.01x = 43,144,432,557.87
  5. Step 5: Solve for x
    x = 43,144,432,557.87/238,506.01
  6. Step 6: Final answer
    x = 180,894.53

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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.