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Finding the Fourth Proportional to 191,791.96, 287,677.50 and 58,672.21

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Solution

The fourth proportional to 191,791.96, 287,677.50 and 58,672.21 is: 88,005.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,791.96 : 287,677.50 = 58,672.21 : x
  2. Step 2: Convert to fraction form
    191,791.96/287,677.50 = 58,672.21/x
  3. Step 3: Cross multiply
    191,791.96x = 287,677.50 × 58,672.21
  4. Step 4: Simplify right side
    191,791.96x = 16,878,674,692.28
  5. Step 5: Solve for x
    x = 16,878,674,692.28/191,791.96
  6. Step 6: Final answer
    x = 88,005.12

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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.