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Finding the Fourth Proportional to 134,233, 200,911.38 and 98,684.90

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Solution

The fourth proportional to 134,233, 200,911.38 and 98,684.90 is: 147,705.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,233 : 200,911.38 = 98,684.90 : x
  2. Step 2: Convert to fraction form
    134,233/200,911.38 = 98,684.90/x
  3. Step 3: Cross multiply
    134,233x = 200,911.38 × 98,684.90
  4. Step 4: Simplify right side
    134,233x = 19,826,919,444.16
  5. Step 5: Solve for x
    x = 19,826,919,444.16/134,233
  6. Step 6: Final answer
    x = 147,705.25

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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.