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Finding the Fourth Proportional to 92,955.84, 128,278.72 and 52,677.27

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Solution

The fourth proportional to 92,955.84, 128,278.72 and 52,677.27 is: 72,694.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,955.84 : 128,278.72 = 52,677.27 : x
  2. Step 2: Convert to fraction form
    92,955.84/128,278.72 = 52,677.27/x
  3. Step 3: Cross multiply
    92,955.84x = 128,278.72 × 52,677.27
  4. Step 4: Simplify right side
    92,955.84x = 6,757,372,768.69
  5. Step 5: Solve for x
    x = 6,757,372,768.69/92,955.84
  6. Step 6: Final answer
    x = 72,694.44

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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.