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Finding the Fourth Proportional to 92,621.28, 127,770.39 and 58,572.39

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Solution

The fourth proportional to 92,621.28, 127,770.39 and 58,572.39 is: 80,800.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,621.28 : 127,770.39 = 58,572.39 : x
  2. Step 2: Convert to fraction form
    92,621.28/127,770.39 = 58,572.39/x
  3. Step 3: Cross multiply
    92,621.28x = 127,770.39 × 58,572.39
  4. Step 4: Simplify right side
    92,621.28x = 7,483,817,113.53
  5. Step 5: Solve for x
    x = 7,483,817,113.53/92,621.28
  6. Step 6: Final answer
    x = 80,800.19

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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.