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Finding the Fourth Proportional to 92,962.53, 128,283.39 and 52,676.78

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Solution

The fourth proportional to 92,962.53, 128,283.39 and 52,676.78 is: 72,691.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,962.53 : 128,283.39 = 52,676.78 : x
  2. Step 2: Convert to fraction form
    92,962.53/128,283.39 = 52,676.78/x
  3. Step 3: Cross multiply
    92,962.53x = 128,283.39 × 52,676.78
  4. Step 4: Simplify right side
    92,962.53x = 6,757,555,328.59
  5. Step 5: Solve for x
    x = 6,757,555,328.59/92,962.53
  6. Step 6: Final answer
    x = 72,691.17

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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.