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Finding the Fourth Proportional to 92,395.21, 127,497.76 and 52,118.88

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Solution

The fourth proportional to 92,395.21, 127,497.76 and 52,118.88 is: 71,919.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,395.21 : 127,497.76 = 52,118.88 : x
  2. Step 2: Convert to fraction form
    92,395.21/127,497.76 = 52,118.88/x
  3. Step 3: Cross multiply
    92,395.21x = 127,497.76 × 52,118.88
  4. Step 4: Simplify right side
    92,395.21x = 6,645,039,555.63
  5. Step 5: Solve for x
    x = 6,645,039,555.63/92,395.21
  6. Step 6: Final answer
    x = 71,919.74

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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.