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Finding the Fourth Proportional to 169,705.99, 234,176.70 and 98,109.01

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Solution

The fourth proportional to 169,705.99, 234,176.70 and 98,109.01 is: 135,380.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,705.99 : 234,176.70 = 98,109.01 : x
  2. Step 2: Convert to fraction form
    169,705.99/234,176.70 = 98,109.01/x
  3. Step 3: Cross multiply
    169,705.99x = 234,176.70 × 98,109.01
  4. Step 4: Simplify right side
    169,705.99x = 22,974,844,202.07
  5. Step 5: Solve for x
    x = 22,974,844,202.07/169,705.99
  6. Step 6: Final answer
    x = 135,380.28

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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.