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Finding the Fourth Proportional to 188,996.36, 260,802.59 and 104,113.42

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Solution

The fourth proportional to 188,996.36, 260,802.59 and 104,113.42 is: 143,669.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,996.36 : 260,802.59 = 104,113.42 : x
  2. Step 2: Convert to fraction form
    188,996.36/260,802.59 = 104,113.42/x
  3. Step 3: Cross multiply
    188,996.36x = 260,802.59 × 104,113.42
  4. Step 4: Simplify right side
    188,996.36x = 27,153,049,589.76
  5. Step 5: Solve for x
    x = 27,153,049,589.76/188,996.36
  6. Step 6: Final answer
    x = 143,669.70

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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.