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Finding the Fourth Proportional to 92,753.91, 127,858.37 and 56,877.39

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Solution

The fourth proportional to 92,753.91, 127,858.37 and 56,877.39 is: 78,403.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,753.91 : 127,858.37 = 56,877.39 : x
  2. Step 2: Convert to fraction form
    92,753.91/127,858.37 = 56,877.39/x
  3. Step 3: Cross multiply
    92,753.91x = 127,858.37 × 56,877.39
  4. Step 4: Simplify right side
    92,753.91x = 7,272,250,090.87
  5. Step 5: Solve for x
    x = 7,272,250,090.87/92,753.91
  6. Step 6: Final answer
    x = 78,403.70

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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.