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Finding the Fourth Proportional to 92,552.70, 127,734.66 and 52,276.80

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Solution

The fourth proportional to 92,552.70, 127,734.66 and 52,276.80 is: 72,148.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,552.70 : 127,734.66 = 52,276.80 : x
  2. Step 2: Convert to fraction form
    92,552.70/127,734.66 = 52,276.80/x
  3. Step 3: Cross multiply
    92,552.70x = 127,734.66 × 52,276.80
  4. Step 4: Simplify right side
    92,552.70x = 6,677,559,273.89
  5. Step 5: Solve for x
    x = 6,677,559,273.89/92,552.70
  6. Step 6: Final answer
    x = 72,148.72

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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.