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Finding the Fourth Proportional to 105,243.26, 157,813.71 and 35,098.88

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Solution

The fourth proportional to 105,243.26, 157,813.71 and 35,098.88 is: 52,631.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,243.26 : 157,813.71 = 35,098.88 : x
  2. Step 2: Convert to fraction form
    105,243.26/157,813.71 = 35,098.88/x
  3. Step 3: Cross multiply
    105,243.26x = 157,813.71 × 35,098.88
  4. Step 4: Simplify right side
    105,243.26x = 5,539,084,469.64
  5. Step 5: Solve for x
    x = 5,539,084,469.64/105,243.26
  6. Step 6: Final answer
    x = 52,631.25

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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.