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Finding the Fourth Proportional to 187,079.70, 280,619.55 and 124,094.10

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Solution

The fourth proportional to 187,079.70, 280,619.55 and 124,094.10 is: 186,141.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,079.70 : 280,619.55 = 124,094.10 : x
  2. Step 2: Convert to fraction form
    187,079.70/280,619.55 = 124,094.10/x
  3. Step 3: Cross multiply
    187,079.70x = 280,619.55 × 124,094.10
  4. Step 4: Simplify right side
    187,079.70x = 34,823,230,499.66
  5. Step 5: Solve for x
    x = 34,823,230,499.66/187,079.70
  6. Step 6: Final answer
    x = 186,141.15

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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.