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Finding the Fourth Proportional to 105,122.62, 157,704.63 and 38,563.35

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Solution

The fourth proportional to 105,122.62, 157,704.63 and 38,563.35 is: 57,852.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,122.62 : 157,704.63 = 38,563.35 : x
  2. Step 2: Convert to fraction form
    105,122.62/157,704.63 = 38,563.35/x
  3. Step 3: Cross multiply
    105,122.62x = 157,704.63 × 38,563.35
  4. Step 4: Simplify right side
    105,122.62x = 6,081,618,843.31
  5. Step 5: Solve for x
    x = 6,081,618,843.31/105,122.62
  6. Step 6: Final answer
    x = 57,852.62

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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.