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Finding the Fourth Proportional to 161,907.44, 223,452.54 and 93,018.44

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Solution

The fourth proportional to 161,907.44, 223,452.54 and 93,018.44 is: 128,377.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,907.44 : 223,452.54 = 93,018.44 : x
  2. Step 2: Convert to fraction form
    161,907.44/223,452.54 = 93,018.44/x
  3. Step 3: Cross multiply
    161,907.44x = 223,452.54 × 93,018.44
  4. Step 4: Simplify right side
    161,907.44x = 20,785,206,684.84
  5. Step 5: Solve for x
    x = 20,785,206,684.84/161,907.44
  6. Step 6: Final answer
    x = 128,377.09

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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.