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Finding the Fourth Proportional to 146,603.85, 202,209 and 134,543.29

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Solution

The fourth proportional to 146,603.85, 202,209 and 134,543.29 is: 185,574.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,603.85 : 202,209 = 134,543.29 : x
  2. Step 2: Convert to fraction form
    146,603.85/202,209 = 134,543.29/x
  3. Step 3: Cross multiply
    146,603.85x = 202,209 × 134,543.29
  4. Step 4: Simplify right side
    146,603.85x = 27,205,864,380.37
  5. Step 5: Solve for x
    x = 27,205,864,380.37/146,603.85
  6. Step 6: Final answer
    x = 185,574.01

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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.