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Finding the Fourth Proportional to 169,574.36, 254,028.99 and 98,347.36

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Solution

The fourth proportional to 169,574.36, 254,028.99 and 98,347.36 is: 147,328.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,574.36 : 254,028.99 = 98,347.36 : x
  2. Step 2: Convert to fraction form
    169,574.36/254,028.99 = 98,347.36/x
  3. Step 3: Cross multiply
    169,574.36x = 254,028.99 × 98,347.36
  4. Step 4: Simplify right side
    169,574.36x = 24,983,081,216.31
  5. Step 5: Solve for x
    x = 24,983,081,216.31/169,574.36
  6. Step 6: Final answer
    x = 147,328.18

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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.