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Finding the Fourth Proportional to 161,602.20, 223,020.21 and 97,091.16

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Solution

The fourth proportional to 161,602.20, 223,020.21 and 97,091.16 is: 133,991.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,602.20 : 223,020.21 = 97,091.16 : x
  2. Step 2: Convert to fraction form
    161,602.20/223,020.21 = 97,091.16/x
  3. Step 3: Cross multiply
    161,602.20x = 223,020.21 × 97,091.16
  4. Step 4: Simplify right side
    161,602.20x = 21,653,290,892.34
  5. Step 5: Solve for x
    x = 21,653,290,892.34/161,602.20
  6. Step 6: Final answer
    x = 133,991.31

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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.