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Finding the Fourth Proportional to 191,529, 287,293.50 and 60,201

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Solution

The fourth proportional to 191,529, 287,293.50 and 60,201 is: 90,301.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,529 : 287,293.50 = 60,201 : x
  2. Step 2: Convert to fraction form
    191,529/287,293.50 = 60,201/x
  3. Step 3: Cross multiply
    191,529x = 287,293.50 × 60,201
  4. Step 4: Simplify right side
    191,529x = 17,295,355,993.50
  5. Step 5: Solve for x
    x = 17,295,355,993.50/191,529
  6. Step 6: Final answer
    x = 90,301.50

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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.