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Finding the Fourth Proportional to 198,107.48, 297,189.48 and 64,998.14

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Solution

The fourth proportional to 198,107.48, 297,189.48 and 64,998.14 is: 97,506.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,107.48 : 297,189.48 = 64,998.14 : x
  2. Step 2: Convert to fraction form
    198,107.48/297,189.48 = 64,998.14/x
  3. Step 3: Cross multiply
    198,107.48x = 297,189.48 × 64,998.14
  4. Step 4: Simplify right side
    198,107.48x = 19,316,763,427.57
  5. Step 5: Solve for x
    x = 19,316,763,427.57/198,107.48
  6. Step 6: Final answer
    x = 97,506.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.