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Finding the Fourth Proportional to 187,341.70, 280,949.06 and 60,950.72

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Solution

The fourth proportional to 187,341.70, 280,949.06 and 60,950.72 is: 91,405.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,341.70 : 280,949.06 = 60,950.72 : x
  2. Step 2: Convert to fraction form
    187,341.70/280,949.06 = 60,950.72/x
  3. Step 3: Cross multiply
    187,341.70x = 280,949.06 × 60,950.72
  4. Step 4: Simplify right side
    187,341.70x = 17,124,047,490.32
  5. Step 5: Solve for x
    x = 17,124,047,490.32/187,341.70
  6. Step 6: Final answer
    x = 91,405.42

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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.