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Finding the Fourth Proportional to 191,712.77, 287,558.69 and 58,592.98

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Solution

The fourth proportional to 191,712.77, 287,558.69 and 58,592.98 is: 87,886.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,712.77 : 287,558.69 = 58,592.98 : x
  2. Step 2: Convert to fraction form
    191,712.77/287,558.69 = 58,592.98/x
  3. Step 3: Cross multiply
    191,712.77x = 287,558.69 × 58,592.98
  4. Step 4: Simplify right side
    191,712.77x = 16,848,919,560.13
  5. Step 5: Solve for x
    x = 16,848,919,560.13/191,712.77
  6. Step 6: Final answer
    x = 87,886.27

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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.