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Finding the Fourth Proportional to 169,519.90, 254,362.44 and 69,710.08

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Solution

The fourth proportional to 169,519.90, 254,362.44 and 69,710.08 is: 104,599.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,519.90 : 254,362.44 = 69,710.08 : x
  2. Step 2: Convert to fraction form
    169,519.90/254,362.44 = 69,710.08/x
  3. Step 3: Cross multiply
    169,519.90x = 254,362.44 × 69,710.08
  4. Step 4: Simplify right side
    169,519.90x = 17,731,626,041.40
  5. Step 5: Solve for x
    x = 17,731,626,041.40/169,519.90
  6. Step 6: Final answer
    x = 104,599.08

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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.