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Finding the Fourth Proportional to 169,790.76, 234,299.91 and 93,308.21

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Solution

The fourth proportional to 169,790.76, 234,299.91 and 93,308.21 is: 128,759.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,790.76 : 234,299.91 = 93,308.21 : x
  2. Step 2: Convert to fraction form
    169,790.76/234,299.91 = 93,308.21/x
  3. Step 3: Cross multiply
    169,790.76x = 234,299.91 × 93,308.21
  4. Step 4: Simplify right side
    169,790.76x = 21,862,105,791.01
  5. Step 5: Solve for x
    x = 21,862,105,791.01/169,790.76
  6. Step 6: Final answer
    x = 128,759.10

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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.