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Finding the Fourth Proportional to 188,937.87, 260,722.29 and 104,054.93

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Solution

The fourth proportional to 188,937.87, 260,722.29 and 104,054.93 is: 143,589.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,937.87 : 260,722.29 = 104,054.93 : x
  2. Step 2: Convert to fraction form
    188,937.87/260,722.29 = 104,054.93/x
  3. Step 3: Cross multiply
    188,937.87x = 260,722.29 × 104,054.93
  4. Step 4: Simplify right side
    188,937.87x = 27,129,439,699.69
  5. Step 5: Solve for x
    x = 27,129,439,699.69/188,937.87
  6. Step 6: Final answer
    x = 143,589.21

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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.