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Finding the Fourth Proportional to 191,764.88, 287,461.56 and 73,345.04

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Solution

The fourth proportional to 191,764.88, 287,461.56 and 73,345.04 is: 109,946.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,764.88 : 287,461.56 = 73,345.04 : x
  2. Step 2: Convert to fraction form
    191,764.88/287,461.56 = 73,345.04/x
  3. Step 3: Cross multiply
    191,764.88x = 287,461.56 × 73,345.04
  4. Step 4: Simplify right side
    191,764.88x = 21,083,879,616.66
  5. Step 5: Solve for x
    x = 21,083,879,616.66/191,764.88
  6. Step 6: Final answer
    x = 109,946.51

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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.