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Finding the Fourth Proportional to 146,807.70, 220,211.55 and 136,310.10

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Solution

The fourth proportional to 146,807.70, 220,211.55 and 136,310.10 is: 204,465.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,807.70 : 220,211.55 = 136,310.10 : x
  2. Step 2: Convert to fraction form
    146,807.70/220,211.55 = 136,310.10/x
  3. Step 3: Cross multiply
    146,807.70x = 220,211.55 × 136,310.10
  4. Step 4: Simplify right side
    146,807.70x = 30,017,058,401.66
  5. Step 5: Solve for x
    x = 30,017,058,401.66/146,807.70
  6. Step 6: Final answer
    x = 204,465.15

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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.