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Finding the Fourth Proportional to 188,473.36, 260,093.80 and 103,599.12

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Solution

The fourth proportional to 188,473.36, 260,093.80 and 103,599.12 is: 142,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,473.36 : 260,093.80 = 103,599.12 : x
  2. Step 2: Convert to fraction form
    188,473.36/260,093.80 = 103,599.12/x
  3. Step 3: Cross multiply
    188,473.36x = 260,093.80 × 103,599.12
  4. Step 4: Simplify right side
    188,473.36x = 26,945,488,797.46
  5. Step 5: Solve for x
    x = 26,945,488,797.46/188,473.36
  6. Step 6: Final answer
    x = 142,967.10

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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.