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Finding the Fourth Proportional to 191,562.16, 287,388.17 and 58,442.37

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Solution

The fourth proportional to 191,562.16, 287,388.17 and 58,442.37 is: 87,677.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,562.16 : 287,388.17 = 58,442.37 : x
  2. Step 2: Convert to fraction form
    191,562.16/287,388.17 = 58,442.37/x
  3. Step 3: Cross multiply
    191,562.16x = 287,388.17 × 58,442.37
  4. Step 4: Simplify right side
    191,562.16x = 16,795,645,764.76
  5. Step 5: Solve for x
    x = 16,795,645,764.76/191,562.16
  6. Step 6: Final answer
    x = 87,677.26

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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.