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Finding the Fourth Proportional to 161,960.52, 242,940.72 and 83,024.40

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Solution

The fourth proportional to 161,960.52, 242,940.72 and 83,024.40 is: 124,536.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,960.52 : 242,940.72 = 83,024.40 : x
  2. Step 2: Convert to fraction form
    161,960.52/242,940.72 = 83,024.40/x
  3. Step 3: Cross multiply
    161,960.52x = 242,940.72 × 83,024.40
  4. Step 4: Simplify right side
    161,960.52x = 20,170,007,513.57
  5. Step 5: Solve for x
    x = 20,170,007,513.57/161,960.52
  6. Step 6: Final answer
    x = 124,536.57

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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.