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Finding the Fourth Proportional to 191,677.83, 287,519.75 and 56,755.59

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Solution

The fourth proportional to 191,677.83, 287,519.75 and 56,755.59 is: 85,134.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,677.83 : 287,519.75 = 56,755.59 : x
  2. Step 2: Convert to fraction form
    191,677.83/287,519.75 = 56,755.59/x
  3. Step 3: Cross multiply
    191,677.83x = 287,519.75 × 56,755.59
  4. Step 4: Simplify right side
    191,677.83x = 16,318,354,484.33
  5. Step 5: Solve for x
    x = 16,318,354,484.33/191,677.83
  6. Step 6: Final answer
    x = 85,134.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.