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Finding the Fourth Proportional to 161,555.67, 222,967.80 and 92,672.06

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Solution

The fourth proportional to 161,555.67, 222,967.80 and 92,672.06 is: 127,899.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,555.67 : 222,967.80 = 92,672.06 : x
  2. Step 2: Convert to fraction form
    161,555.67/222,967.80 = 92,672.06/x
  3. Step 3: Cross multiply
    161,555.67x = 222,967.80 × 92,672.06
  4. Step 4: Simplify right side
    161,555.67x = 20,662,884,224.83
  5. Step 5: Solve for x
    x = 20,662,884,224.83/161,555.67
  6. Step 6: Final answer
    x = 127,899.47

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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.