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Finding the Fourth Proportional to 92,729.88, 127,967.22 and 50,288.40

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Solution

The fourth proportional to 92,729.88, 127,967.22 and 50,288.40 is: 69,397.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,729.88 : 127,967.22 = 50,288.40 : x
  2. Step 2: Convert to fraction form
    92,729.88/127,967.22 = 50,288.40/x
  3. Step 3: Cross multiply
    92,729.88x = 127,967.22 × 50,288.40
  4. Step 4: Simplify right side
    92,729.88x = 6,435,266,746.25
  5. Step 5: Solve for x
    x = 6,435,266,746.25/92,729.88
  6. Step 6: Final answer
    x = 69,397.98

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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.