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Finding the Fourth Proportional to 148,170.87, 204,477.08 and 84,511.89

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Solution

The fourth proportional to 148,170.87, 204,477.08 and 84,511.89 is: 116,627.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,170.87 : 204,477.08 = 84,511.89 : x
  2. Step 2: Convert to fraction form
    148,170.87/204,477.08 = 84,511.89/x
  3. Step 3: Cross multiply
    148,170.87x = 204,477.08 × 84,511.89
  4. Step 4: Simplify right side
    148,170.87x = 17,280,744,069.92
  5. Step 5: Solve for x
    x = 17,280,744,069.92/148,170.87
  6. Step 6: Final answer
    x = 116,627.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.