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Finding the Fourth Proportional to 105,757.70, 158,636.55 and 101,092.10

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Solution

The fourth proportional to 105,757.70, 158,636.55 and 101,092.10 is: 151,638.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,757.70 : 158,636.55 = 101,092.10 : x
  2. Step 2: Convert to fraction form
    105,757.70/158,636.55 = 101,092.10/x
  3. Step 3: Cross multiply
    105,757.70x = 158,636.55 × 101,092.10
  4. Step 4: Simplify right side
    105,757.70x = 16,036,901,976.26
  5. Step 5: Solve for x
    x = 16,036,901,976.26/105,757.70
  6. Step 6: Final answer
    x = 151,638.15

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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.