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Finding the Fourth Proportional to 178,361.74, 246,141.60 and 97,789.07

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Solution

The fourth proportional to 178,361.74, 246,141.60 and 97,789.07 is: 134,950.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,361.74 : 246,141.60 = 97,789.07 : x
  2. Step 2: Convert to fraction form
    178,361.74/246,141.60 = 97,789.07/x
  3. Step 3: Cross multiply
    178,361.74x = 246,141.60 × 97,789.07
  4. Step 4: Simplify right side
    178,361.74x = 24,069,958,152.31
  5. Step 5: Solve for x
    x = 24,069,958,152.31/178,361.74
  6. Step 6: Final answer
    x = 134,950.23

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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.