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Finding the Fourth Proportional to 191,812.50, 287,760.29 and 73,483.85

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Solution

The fourth proportional to 191,812.50, 287,760.29 and 73,483.85 is: 110,241.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,812.50 : 287,760.29 = 73,483.85 : x
  2. Step 2: Convert to fraction form
    191,812.50/287,760.29 = 73,483.85/x
  3. Step 3: Cross multiply
    191,812.50x = 287,760.29 × 73,483.85
  4. Step 4: Simplify right side
    191,812.50x = 21,145,732,180.10
  5. Step 5: Solve for x
    x = 21,145,732,180.10/191,812.50
  6. Step 6: Final answer
    x = 110,241.68

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1.5x scale

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.