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Finding the Fourth Proportional to 191,452, 287,224.32 and 60,124

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Solution

The fourth proportional to 191,452, 287,224.32 and 60,124 is: 90,200.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,452 : 287,224.32 = 60,124 : x
  2. Step 2: Convert to fraction form
    191,452/287,224.32 = 60,124/x
  3. Step 3: Cross multiply
    191,452x = 287,224.32 × 60,124
  4. Step 4: Simplify right side
    191,452x = 17,269,075,015.68
  5. Step 5: Solve for x
    x = 17,269,075,015.68/191,452
  6. Step 6: Final answer
    x = 90,200.55

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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.