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Finding the Fourth Proportional to 105,672.36, 158,526.36 and 35,535

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Solution

The fourth proportional to 105,672.36, 158,526.36 and 35,535 is: 53,308.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,672.36 : 158,526.36 = 35,535 : x
  2. Step 2: Convert to fraction form
    105,672.36/158,526.36 = 35,535/x
  3. Step 3: Cross multiply
    105,672.36x = 158,526.36 × 35,535
  4. Step 4: Simplify right side
    105,672.36x = 5,633,234,202.60
  5. Step 5: Solve for x
    x = 5,633,234,202.60/105,672.36
  6. Step 6: Final answer
    x = 53,308.49

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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.