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Finding the Fourth Proportional to 191,695.97, 287,595.72 and 58,572.58

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Solution

The fourth proportional to 191,695.97, 287,595.72 and 58,572.58 is: 87,874.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,695.97 : 287,595.72 = 58,572.58 : x
  2. Step 2: Convert to fraction form
    191,695.97/287,595.72 = 58,572.58/x
  3. Step 3: Cross multiply
    191,695.97x = 287,595.72 × 58,572.58
  4. Step 4: Simplify right side
    191,695.97x = 16,845,223,317.36
  5. Step 5: Solve for x
    x = 16,845,223,317.36/191,695.97
  6. Step 6: Final answer
    x = 87,874.69

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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.