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Finding the Fourth Proportional to 169,813.82, 234,343.57 and 93,340.76

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Solution

The fourth proportional to 169,813.82, 234,343.57 and 93,340.76 is: 128,810.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,813.82 : 234,343.57 = 93,340.76 : x
  2. Step 2: Convert to fraction form
    169,813.82/234,343.57 = 93,340.76/x
  3. Step 3: Cross multiply
    169,813.82x = 234,343.57 × 93,340.76
  4. Step 4: Simplify right side
    169,813.82x = 21,873,805,563.60
  5. Step 5: Solve for x
    x = 21,873,805,563.60/169,813.82
  6. Step 6: Final answer
    x = 128,810.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.