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Finding the Fourth Proportional to 191,410.70, 287,094.11 and 51,180.26

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Solution

The fourth proportional to 191,410.70, 287,094.11 and 51,180.26 is: 76,764.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,410.70 : 287,094.11 = 51,180.26 : x
  2. Step 2: Convert to fraction form
    191,410.70/287,094.11 = 51,180.26/x
  3. Step 3: Cross multiply
    191,410.70x = 287,094.11 × 51,180.26
  4. Step 4: Simplify right side
    191,410.70x = 14,693,549,502.90
  5. Step 5: Solve for x
    x = 14,693,549,502.90/191,410.70
  6. Step 6: Final answer
    x = 76,764.52

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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.