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Finding the Fourth Proportional to 92,330.66, 127,416.30 and 49,889.20

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Solution

The fourth proportional to 92,330.66, 127,416.30 and 49,889.20 is: 68,847.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,330.66 : 127,416.30 = 49,889.20 : x
  2. Step 2: Convert to fraction form
    92,330.66/127,416.30 = 49,889.20/x
  3. Step 3: Cross multiply
    92,330.66x = 127,416.30 × 49,889.20
  4. Step 4: Simplify right side
    92,330.66x = 6,356,697,273.96
  5. Step 5: Solve for x
    x = 6,356,697,273.96/92,330.66
  6. Step 6: Final answer
    x = 68,847.09

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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.