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Finding the Fourth Proportional to 105,614.80, 158,416.44 and 35,486.80

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Solution

The fourth proportional to 105,614.80, 158,416.44 and 35,486.80 is: 53,228.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,614.80 : 158,416.44 = 35,486.80 : x
  2. Step 2: Convert to fraction form
    105,614.80/158,416.44 = 35,486.80/x
  3. Step 3: Cross multiply
    105,614.80x = 158,416.44 × 35,486.80
  4. Step 4: Simplify right side
    105,614.80x = 5,621,692,522.99
  5. Step 5: Solve for x
    x = 5,621,692,522.99/105,614.80
  6. Step 6: Final answer
    x = 53,228.26

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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.