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Finding the Fourth Proportional to 187,950.98, 259,420.92 and 116,288.66

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Solution

The fourth proportional to 187,950.98, 259,420.92 and 116,288.66 is: 160,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,950.98 : 259,420.92 = 116,288.66 : x
  2. Step 2: Convert to fraction form
    187,950.98/259,420.92 = 116,288.66/x
  3. Step 3: Cross multiply
    187,950.98x = 259,420.92 × 116,288.66
  4. Step 4: Simplify right side
    187,950.98x = 30,167,711,162.77
  5. Step 5: Solve for x
    x = 30,167,711,162.77/187,950.98
  6. Step 6: Final answer
    x = 160,508.40

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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.