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Finding the Fourth Proportional to 154,157.34, 231,274.80 and 43,349.34

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Solution

The fourth proportional to 154,157.34, 231,274.80 and 43,349.34 is: 65,034.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,157.34 : 231,274.80 = 43,349.34 : x
  2. Step 2: Convert to fraction form
    154,157.34/231,274.80 = 43,349.34/x
  3. Step 3: Cross multiply
    154,157.34x = 231,274.80 × 43,349.34
  4. Step 4: Simplify right side
    154,157.34x = 10,025,609,938.63
  5. Step 5: Solve for x
    x = 10,025,609,938.63/154,157.34
  6. Step 6: Final answer
    x = 65,034.92

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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.