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Finding the Fourth Proportional to 171,035.60, 256,553.40 and 115,048.40

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Solution

The fourth proportional to 171,035.60, 256,553.40 and 115,048.40 is: 172,572.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,035.60 : 256,553.40 = 115,048.40 : x
  2. Step 2: Convert to fraction form
    171,035.60/256,553.40 = 115,048.40/x
  3. Step 3: Cross multiply
    171,035.60x = 256,553.40 × 115,048.40
  4. Step 4: Simplify right side
    171,035.60x = 29,516,058,184.56
  5. Step 5: Solve for x
    x = 29,516,058,184.56/171,035.60
  6. Step 6: Final answer
    x = 172,572.60

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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.