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Finding the Fourth Proportional to 92,702.88, 127,930.86 and 50,261.52

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Solution

The fourth proportional to 92,702.88, 127,930.86 and 50,261.52 is: 69,361.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,702.88 : 127,930.86 = 50,261.52 : x
  2. Step 2: Convert to fraction form
    92,702.88/127,930.86 = 50,261.52/x
  3. Step 3: Cross multiply
    92,702.88x = 127,930.86 × 50,261.52
  4. Step 4: Simplify right side
    92,702.88x = 6,429,999,478.51
  5. Step 5: Solve for x
    x = 6,429,999,478.51/92,702.88
  6. Step 6: Final answer
    x = 69,361.38

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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.