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Finding the Fourth Proportional to 191,791.46, 287,676.76 and 58,671.71

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Solution

The fourth proportional to 191,791.46, 287,676.76 and 58,671.71 is: 88,004.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,791.46 : 287,676.76 = 58,671.71 : x
  2. Step 2: Convert to fraction form
    191,791.46/287,676.76 = 58,671.71/x
  3. Step 3: Cross multiply
    191,791.46x = 287,676.76 × 58,671.71
  4. Step 4: Simplify right side
    191,791.46x = 16,878,487,143.10
  5. Step 5: Solve for x
    x = 16,878,487,143.10/191,791.46
  6. Step 6: Final answer
    x = 88,004.38

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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.