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Finding the Fourth Proportional to 153,505.43, 230,310.42 and 93,653.73

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Solution

The fourth proportional to 153,505.43, 230,310.42 and 93,653.73 is: 140,512.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,505.43 : 230,310.42 = 93,653.73 : x
  2. Step 2: Convert to fraction form
    153,505.43/230,310.42 = 93,653.73/x
  3. Step 3: Cross multiply
    153,505.43x = 230,310.42 × 93,653.73
  4. Step 4: Simplify right side
    153,505.43x = 21,569,429,890.87
  5. Step 5: Solve for x
    x = 21,569,429,890.87/153,505.43
  6. Step 6: Final answer
    x = 140,512.49

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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.