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Finding the Fourth Proportional to 92,380.35, 127,485.07 and 49,938.88

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Solution

The fourth proportional to 92,380.35, 127,485.07 and 49,938.88 is: 68,915.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,380.35 : 127,485.07 = 49,938.88 : x
  2. Step 2: Convert to fraction form
    92,380.35/127,485.07 = 49,938.88/x
  3. Step 3: Cross multiply
    92,380.35x = 127,485.07 × 49,938.88
  4. Step 4: Simplify right side
    92,380.35x = 6,366,461,688.90
  5. Step 5: Solve for x
    x = 6,366,461,688.90/92,380.35
  6. Step 6: Final answer
    x = 68,915.76

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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.