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Finding the Fourth Proportional to 231,415.68, 347,117.04 and 73,653.60

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Solution

The fourth proportional to 231,415.68, 347,117.04 and 73,653.60 is: 110,478.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,415.68 : 347,117.04 = 73,653.60 : x
  2. Step 2: Convert to fraction form
    231,415.68/347,117.04 = 73,653.60/x
  3. Step 3: Cross multiply
    231,415.68x = 347,117.04 × 73,653.60
  4. Step 4: Simplify right side
    231,415.68x = 25,566,419,617.34
  5. Step 5: Solve for x
    x = 25,566,419,617.34/231,415.68
  6. Step 6: Final answer
    x = 110,478.34

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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.