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Finding the Fourth Proportional to 101,474.61, 152,210.31 and 34,915.32

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Solution

The fourth proportional to 101,474.61, 152,210.31 and 34,915.32 is: 52,372.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,474.61 : 152,210.31 = 34,915.32 : x
  2. Step 2: Convert to fraction form
    101,474.61/152,210.31 = 34,915.32/x
  3. Step 3: Cross multiply
    101,474.61x = 152,210.31 × 34,915.32
  4. Step 4: Simplify right side
    101,474.61x = 5,314,471,680.95
  5. Step 5: Solve for x
    x = 5,314,471,680.95/101,474.61
  6. Step 6: Final answer
    x = 52,372.43

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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.