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Finding the Fourth Proportional to 231,575.32, 319,573.93 and 125,591.32

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Solution

The fourth proportional to 231,575.32, 319,573.93 and 125,591.32 is: 173,316.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,575.32 : 319,573.93 = 125,591.32 : x
  2. Step 2: Convert to fraction form
    231,575.32/319,573.93 = 125,591.32/x
  3. Step 3: Cross multiply
    231,575.32x = 319,573.93 × 125,591.32
  4. Step 4: Simplify right side
    231,575.32x = 40,135,711,706.29
  5. Step 5: Solve for x
    x = 40,135,711,706.29/231,575.32
  6. Step 6: Final answer
    x = 173,316.02

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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.