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Finding the Fourth Proportional to 191,777.41, 287,677.64 and 58,658.82

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Solution

The fourth proportional to 191,777.41, 287,677.64 and 58,658.82 is: 87,991.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,777.41 : 287,677.64 = 58,658.82 : x
  2. Step 2: Convert to fraction form
    191,777.41/287,677.64 = 58,658.82/x
  3. Step 3: Cross multiply
    191,777.41x = 287,677.64 × 58,658.82
  4. Step 4: Simplify right side
    191,777.41x = 16,874,829,464.40
  5. Step 5: Solve for x
    x = 16,874,829,464.40/191,777.41
  6. Step 6: Final answer
    x = 87,991.75

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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.