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Finding the Fourth Proportional to 220,234.32, 303,915.24 and 119,630.16

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Solution

The fourth proportional to 220,234.32, 303,915.24 and 119,630.16 is: 165,085.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,234.32 : 303,915.24 = 119,630.16 : x
  2. Step 2: Convert to fraction form
    220,234.32/303,915.24 = 119,630.16/x
  3. Step 3: Cross multiply
    220,234.32x = 303,915.24 × 119,630.16
  4. Step 4: Simplify right side
    220,234.32x = 36,357,428,787.64
  5. Step 5: Solve for x
    x = 36,357,428,787.64/220,234.32
  6. Step 6: Final answer
    x = 165,085.21

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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.