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Finding the Fourth Proportional to 191,707.92, 287,124.48 and 169,283.92

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Solution

The fourth proportional to 191,707.92, 287,124.48 and 169,283.92 is: 253,539.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,707.92 : 287,124.48 = 169,283.92 : x
  2. Step 2: Convert to fraction form
    191,707.92/287,124.48 = 169,283.92/x
  3. Step 3: Cross multiply
    191,707.92x = 287,124.48 × 169,283.92
  4. Step 4: Simplify right side
    191,707.92x = 48,605,557,502.36
  5. Step 5: Solve for x
    x = 48,605,557,502.36/191,707.92
  6. Step 6: Final answer
    x = 253,539.64

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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.