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Finding the Fourth Proportional to 187,774.80, 281,143.80 and 146,302.80

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Solution

The fourth proportional to 187,774.80, 281,143.80 and 146,302.80 is: 219,050.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,774.80 : 281,143.80 = 146,302.80 : x
  2. Step 2: Convert to fraction form
    187,774.80/281,143.80 = 146,302.80/x
  3. Step 3: Cross multiply
    187,774.80x = 281,143.80 × 146,302.80
  4. Step 4: Simplify right side
    187,774.80x = 41,132,125,142.64
  5. Step 5: Solve for x
    x = 41,132,125,142.64/187,774.80
  6. Step 6: Final answer
    x = 219,050.29

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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.