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Finding the Fourth Proportional to 229,248.60, 343,872.90 and 135,706.20

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Solution

The fourth proportional to 229,248.60, 343,872.90 and 135,706.20 is: 203,559.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,248.60 : 343,872.90 = 135,706.20 : x
  2. Step 2: Convert to fraction form
    229,248.60/343,872.90 = 135,706.20/x
  3. Step 3: Cross multiply
    229,248.60x = 343,872.90 × 135,706.20
  4. Step 4: Simplify right side
    229,248.60x = 46,665,684,541.98
  5. Step 5: Solve for x
    x = 46,665,684,541.98/229,248.60
  6. Step 6: Final answer
    x = 203,559.30

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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.