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Finding the Fourth Proportional to 169,798.34, 254,364.67 and 98,571.58

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Solution

The fourth proportional to 169,798.34, 254,364.67 and 98,571.58 is: 147,664.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,798.34 : 254,364.67 = 98,571.58 : x
  2. Step 2: Convert to fraction form
    169,798.34/254,364.67 = 98,571.58/x
  3. Step 3: Cross multiply
    169,798.34x = 254,364.67 × 98,571.58
  4. Step 4: Simplify right side
    169,798.34x = 25,073,127,418.08
  5. Step 5: Solve for x
    x = 25,073,127,418.08/169,798.34
  6. Step 6: Final answer
    x = 147,664.15

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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.