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Finding the Fourth Proportional to 175,606.80, 262,805.40 and 105,536.40

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Solution

The fourth proportional to 175,606.80, 262,805.40 and 105,536.40 is: 157,941.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,606.80 : 262,805.40 = 105,536.40 : x
  2. Step 2: Convert to fraction form
    175,606.80/262,805.40 = 105,536.40/x
  3. Step 3: Cross multiply
    175,606.80x = 262,805.40 × 105,536.40
  4. Step 4: Simplify right side
    175,606.80x = 27,735,535,816.56
  5. Step 5: Solve for x
    x = 27,735,535,816.56/175,606.80
  6. Step 6: Final answer
    x = 157,941.13

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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.