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Finding the Fourth Proportional to 92,380.84, 127,504.74 and 60,490.60

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Solution

The fourth proportional to 92,380.84, 127,504.74 and 60,490.60 is: 83,489.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,380.84 : 127,504.74 = 60,490.60 : x
  2. Step 2: Convert to fraction form
    92,380.84/127,504.74 = 60,490.60/x
  3. Step 3: Cross multiply
    92,380.84x = 127,504.74 × 60,490.60
  4. Step 4: Simplify right side
    92,380.84x = 7,712,838,225.44
  5. Step 5: Solve for x
    x = 7,712,838,225.44/92,380.84
  6. Step 6: Final answer
    x = 83,489.59

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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.