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Finding the Fourth Proportional to 188,959.86, 260,764.60 and 104,076.93

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Solution

The fourth proportional to 188,959.86, 260,764.60 and 104,076.93 is: 143,626.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,959.86 : 260,764.60 = 104,076.93 : x
  2. Step 2: Convert to fraction form
    188,959.86/260,764.60 = 104,076.93/x
  3. Step 3: Cross multiply
    188,959.86x = 260,764.60 × 104,076.93
  4. Step 4: Simplify right side
    188,959.86x = 27,139,578,270.48
  5. Step 5: Solve for x
    x = 27,139,578,270.48/188,959.86
  6. Step 6: Final answer
    x = 143,626.15

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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.