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Finding the Fourth Proportional to 169,796.16, 234,347.72 and 98,219.70

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Solution

The fourth proportional to 169,796.16, 234,347.72 and 98,219.70 is: 135,559.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,796.16 : 234,347.72 = 98,219.70 : x
  2. Step 2: Convert to fraction form
    169,796.16/234,347.72 = 98,219.70/x
  3. Step 3: Cross multiply
    169,796.16x = 234,347.72 × 98,219.70
  4. Step 4: Simplify right side
    169,796.16x = 23,017,562,262.99
  5. Step 5: Solve for x
    x = 23,017,562,262.99/169,796.16
  6. Step 6: Final answer
    x = 135,559.97

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1.5x scale

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.