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Finding the Fourth Proportional to 235,629.90, 353,326.92 and 117,366.66

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Solution

The fourth proportional to 235,629.90, 353,326.92 and 117,366.66 is: 175,991.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,629.90 : 353,326.92 = 117,366.66 : x
  2. Step 2: Convert to fraction form
    235,629.90/353,326.92 = 117,366.66/x
  3. Step 3: Cross multiply
    235,629.90x = 353,326.92 × 117,366.66
  4. Step 4: Simplify right side
    235,629.90x = 41,468,800,488.49
  5. Step 5: Solve for x
    x = 41,468,800,488.49/235,629.90
  6. Step 6: Final answer
    x = 175,991.25

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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.