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Finding the Fourth Proportional to 187,232.30, 280,848.45 and 54,116.90

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Solution

The fourth proportional to 187,232.30, 280,848.45 and 54,116.90 is: 81,175.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,232.30 : 280,848.45 = 54,116.90 : x
  2. Step 2: Convert to fraction form
    187,232.30/280,848.45 = 54,116.90/x
  3. Step 3: Cross multiply
    187,232.30x = 280,848.45 × 54,116.90
  4. Step 4: Simplify right side
    187,232.30x = 15,198,647,483.81
  5. Step 5: Solve for x
    x = 15,198,647,483.81/187,232.30
  6. Step 6: Final answer
    x = 81,175.35

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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.