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Finding the Fourth Proportional to 157,342.64, 217,102.88 and 92,832.22

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Solution

The fourth proportional to 157,342.64, 217,102.88 and 92,832.22 is: 128,090.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,342.64 : 217,102.88 = 92,832.22 : x
  2. Step 2: Convert to fraction form
    157,342.64/217,102.88 = 92,832.22/x
  3. Step 3: Cross multiply
    157,342.64x = 217,102.88 × 92,832.22
  4. Step 4: Simplify right side
    157,342.64x = 20,154,142,318.79
  5. Step 5: Solve for x
    x = 20,154,142,318.79/157,342.64
  6. Step 6: Final answer
    x = 128,090.79

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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.