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Finding the Fourth Proportional to 175,915.40, 263,376.30 and 136,927.40

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Solution

The fourth proportional to 175,915.40, 263,376.30 and 136,927.40 is: 205,004.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,915.40 : 263,376.30 = 136,927.40 : x
  2. Step 2: Convert to fraction form
    175,915.40/263,376.30 = 136,927.40/x
  3. Step 3: Cross multiply
    175,915.40x = 263,376.30 × 136,927.40
  4. Step 4: Simplify right side
    175,915.40x = 36,063,431,980.62
  5. Step 5: Solve for x
    x = 36,063,431,980.62/175,915.40
  6. Step 6: Final answer
    x = 205,004.41

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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.