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Finding the Fourth Proportional to 163,898.44, 245,488 and 135,496.60

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Solution

The fourth proportional to 163,898.44, 245,488 and 135,496.60 is: 202,947.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,898.44 : 245,488 = 135,496.60 : x
  2. Step 2: Convert to fraction form
    163,898.44/245,488 = 135,496.60/x
  3. Step 3: Cross multiply
    163,898.44x = 245,488 × 135,496.60
  4. Step 4: Simplify right side
    163,898.44x = 33,262,789,340.80
  5. Step 5: Solve for x
    x = 33,262,789,340.80/163,898.44
  6. Step 6: Final answer
    x = 202,947.57

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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.