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Finding the Fourth Proportional to 161,575.59, 222,940.56 and 93,588.51

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Solution

The fourth proportional to 161,575.59, 222,940.56 and 93,588.51 is: 129,132.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,575.59 : 222,940.56 = 93,588.51 : x
  2. Step 2: Convert to fraction form
    161,575.59/222,940.56 = 93,588.51/x
  3. Step 3: Cross multiply
    161,575.59x = 222,940.56 × 93,588.51
  4. Step 4: Simplify right side
    161,575.59x = 20,864,674,828.97
  5. Step 5: Solve for x
    x = 20,864,674,828.97/161,575.59
  6. Step 6: Final answer
    x = 129,132.59

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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.