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Finding the Fourth Proportional to 250,381.53, 345,526.56 and 137,204.28

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Solution

The fourth proportional to 250,381.53, 345,526.56 and 137,204.28 is: 189,341.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,381.53 : 345,526.56 = 137,204.28 : x
  2. Step 2: Convert to fraction form
    250,381.53/345,526.56 = 137,204.28/x
  3. Step 3: Cross multiply
    250,381.53x = 345,526.56 × 137,204.28
  4. Step 4: Simplify right side
    250,381.53x = 47,407,722,885.68
  5. Step 5: Solve for x
    x = 47,407,722,885.68/250,381.53
  6. Step 6: Final answer
    x = 189,341.93

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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.