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Finding the Fourth Proportional to 161,576.79, 222,984.80 and 89,955.24

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Solution

The fourth proportional to 161,576.79, 222,984.80 and 89,955.24 is: 124,143.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,576.79 : 222,984.80 = 89,955.24 : x
  2. Step 2: Convert to fraction form
    161,576.79/222,984.80 = 89,955.24/x
  3. Step 3: Cross multiply
    161,576.79x = 222,984.80 × 89,955.24
  4. Step 4: Simplify right side
    161,576.79x = 20,058,651,200.35
  5. Step 5: Solve for x
    x = 20,058,651,200.35/161,576.79
  6. Step 6: Final answer
    x = 124,143.15

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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.