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Finding the Fourth Proportional to 191,798.98, 287,687.98 and 58,679.23

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Solution

The fourth proportional to 191,798.98, 287,687.98 and 58,679.23 is: 88,015.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,798.98 : 287,687.98 = 58,679.23 : x
  2. Step 2: Convert to fraction form
    191,798.98/287,687.98 = 58,679.23/x
  3. Step 3: Cross multiply
    191,798.98x = 287,687.98 × 58,679.23
  4. Step 4: Simplify right side
    191,798.98x = 16,881,309,146.66
  5. Step 5: Solve for x
    x = 16,881,309,146.66/191,798.98
  6. Step 6: Final answer
    x = 88,015.64

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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.