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Finding the Fourth Proportional to 169,994.70, 234,600.64 and 98,360.88

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Solution

The fourth proportional to 169,994.70, 234,600.64 and 98,360.88 is: 135,742.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,994.70 : 234,600.64 = 98,360.88 : x
  2. Step 2: Convert to fraction form
    169,994.70/234,600.64 = 98,360.88/x
  3. Step 3: Cross multiply
    169,994.70x = 234,600.64 × 98,360.88
  4. Step 4: Simplify right side
    169,994.70x = 23,075,525,398.96
  5. Step 5: Solve for x
    x = 23,075,525,398.96/169,994.70
  6. Step 6: Final answer
    x = 135,742.62

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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.