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Finding the Fourth Proportional to 92,690.64, 127,913.04 and 50,248.80

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Solution

The fourth proportional to 92,690.64, 127,913.04 and 50,248.80 is: 69,343.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,690.64 : 127,913.04 = 50,248.80 : x
  2. Step 2: Convert to fraction form
    92,690.64/127,913.04 = 50,248.80/x
  3. Step 3: Cross multiply
    92,690.64x = 127,913.04 × 50,248.80
  4. Step 4: Simplify right side
    92,690.64x = 6,427,476,764.35
  5. Step 5: Solve for x
    x = 6,427,476,764.35/92,690.64
  6. Step 6: Final answer
    x = 69,343.32

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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.