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Finding the Fourth Proportional to 187,311.52, 258,702.80 and 125,950.96

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Solution

The fourth proportional to 187,311.52, 258,702.80 and 125,950.96 is: 173,955.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,311.52 : 258,702.80 = 125,950.96 : x
  2. Step 2: Convert to fraction form
    187,311.52/258,702.80 = 125,950.96/x
  3. Step 3: Cross multiply
    187,311.52x = 258,702.80 × 125,950.96
  4. Step 4: Simplify right side
    187,311.52x = 32,583,866,014.69
  5. Step 5: Solve for x
    x = 32,583,866,014.69/187,311.52
  6. Step 6: Final answer
    x = 173,955.48

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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.