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Finding the Fourth Proportional to 169,578.95, 234,021.69 and 93,105.09

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Solution

The fourth proportional to 169,578.95, 234,021.69 and 93,105.09 is: 128,486.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,578.95 : 234,021.69 = 93,105.09 : x
  2. Step 2: Convert to fraction form
    169,578.95/234,021.69 = 93,105.09/x
  3. Step 3: Cross multiply
    169,578.95x = 234,021.69 × 93,105.09
  4. Step 4: Simplify right side
    169,578.95x = 21,788,610,043.88
  5. Step 5: Solve for x
    x = 21,788,610,043.88/169,578.95
  6. Step 6: Final answer
    x = 128,486.53

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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.