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Finding the Fourth Proportional to 191,703.08, 287,555.30 and 58,582.78

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Solution

The fourth proportional to 191,703.08, 287,555.30 and 58,582.78 is: 87,874.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,703.08 : 287,555.30 = 58,582.78 : x
  2. Step 2: Convert to fraction form
    191,703.08/287,555.30 = 58,582.78/x
  3. Step 3: Cross multiply
    191,703.08x = 287,555.30 × 58,582.78
  4. Step 4: Simplify right side
    191,703.08x = 16,845,788,877.73
  5. Step 5: Solve for x
    x = 16,845,788,877.73/191,703.08
  6. Step 6: Final answer
    x = 87,874.38

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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.