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Finding the Fourth Proportional to 191,594.68, 287,426.87 and 65,228.46

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Solution

The fourth proportional to 191,594.68, 287,426.87 and 65,228.46 is: 97,854.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,594.68 : 287,426.87 = 65,228.46 : x
  2. Step 2: Convert to fraction form
    191,594.68/287,426.87 = 65,228.46/x
  3. Step 3: Cross multiply
    191,594.68x = 287,426.87 × 65,228.46
  4. Step 4: Simplify right side
    191,594.68x = 18,748,412,092.72
  5. Step 5: Solve for x
    x = 18,748,412,092.72/191,594.68
  6. Step 6: Final answer
    x = 97,854.55

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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.