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Finding the Fourth Proportional to 230,880.38, 346,317.32 and 73,108.78

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Solution

The fourth proportional to 230,880.38, 346,317.32 and 73,108.78 is: 109,662.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,880.38 : 346,317.32 = 73,108.78 : x
  2. Step 2: Convert to fraction form
    230,880.38/346,317.32 = 73,108.78/x
  3. Step 3: Cross multiply
    230,880.38x = 346,317.32 × 73,108.78
  4. Step 4: Simplify right side
    230,880.38x = 25,318,836,075.05
  5. Step 5: Solve for x
    x = 25,318,836,075.05/230,880.38
  6. Step 6: Final answer
    x = 109,662.14

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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.