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Finding the Fourth Proportional to 169,977.84, 234,559.44 and 98,352.78

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Solution

The fourth proportional to 169,977.84, 234,559.44 and 98,352.78 is: 135,721.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,977.84 : 234,559.44 = 98,352.78 : x
  2. Step 2: Convert to fraction form
    169,977.84/234,559.44 = 98,352.78/x
  3. Step 3: Cross multiply
    169,977.84x = 234,559.44 × 98,352.78
  4. Step 4: Simplify right side
    169,977.84x = 23,069,572,999.24
  5. Step 5: Solve for x
    x = 23,069,572,999.24/169,977.84
  6. Step 6: Final answer
    x = 135,721.06

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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.