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Finding the Fourth Proportional to 92,612.46, 127,811.10 and 56,797.60

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Solution

The fourth proportional to 92,612.46, 127,811.10 and 56,797.60 is: 78,384.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,612.46 : 127,811.10 = 56,797.60 : x
  2. Step 2: Convert to fraction form
    92,612.46/127,811.10 = 56,797.60/x
  3. Step 3: Cross multiply
    92,612.46x = 127,811.10 × 56,797.60
  4. Step 4: Simplify right side
    92,612.46x = 7,259,363,449.37
  5. Step 5: Solve for x
    x = 7,259,363,449.37/92,612.46
  6. Step 6: Final answer
    x = 78,384.31

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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.