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Finding the Fourth Proportional to 73,068.98, 109,538.67 and 35,608.10

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Solution

The fourth proportional to 73,068.98, 109,538.67 and 35,608.10 is: 53,380.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,068.98 : 109,538.67 = 35,608.10 : x
  2. Step 2: Convert to fraction form
    73,068.98/109,538.67 = 35,608.10/x
  3. Step 3: Cross multiply
    73,068.98x = 109,538.67 × 35,608.10
  4. Step 4: Simplify right side
    73,068.98x = 3,900,463,915.23
  5. Step 5: Solve for x
    x = 3,900,463,915.23/73,068.98
  6. Step 6: Final answer
    x = 53,380.57

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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.