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Finding the Fourth Proportional to 153,920.25, 230,880.38 and 41,591.85

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Solution

The fourth proportional to 153,920.25, 230,880.38 and 41,591.85 is: 62,387.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,920.25 : 230,880.38 = 41,591.85 : x
  2. Step 2: Convert to fraction form
    153,920.25/230,880.38 = 41,591.85/x
  3. Step 3: Cross multiply
    153,920.25x = 230,880.38 × 41,591.85
  4. Step 4: Simplify right side
    153,920.25x = 9,602,741,059.14
  5. Step 5: Solve for x
    x = 9,602,741,059.14/153,920.25
  6. Step 6: Final answer
    x = 62,387.77

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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.