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Finding the Fourth Proportional to 92,702.40, 127,950.24 and 52,439.52

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Solution

The fourth proportional to 92,702.40, 127,950.24 and 52,439.52 is: 72,378.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,702.40 : 127,950.24 = 52,439.52 : x
  2. Step 2: Convert to fraction form
    92,702.40/127,950.24 = 52,439.52/x
  3. Step 3: Cross multiply
    92,702.40x = 127,950.24 × 52,439.52
  4. Step 4: Simplify right side
    92,702.40x = 6,709,649,169.48
  5. Step 5: Solve for x
    x = 6,709,649,169.48/92,702.40
  6. Step 6: Final answer
    x = 72,378.38

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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.