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Finding the Fourth Proportional to 188,233.78, 259,762.78 and 102,192.70

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Solution

The fourth proportional to 188,233.78, 259,762.78 and 102,192.70 is: 141,026.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,233.78 : 259,762.78 = 102,192.70 : x
  2. Step 2: Convert to fraction form
    188,233.78/259,762.78 = 102,192.70/x
  3. Step 3: Cross multiply
    188,233.78x = 259,762.78 × 102,192.70
  4. Step 4: Simplify right side
    188,233.78x = 26,545,859,847.71
  5. Step 5: Solve for x
    x = 26,545,859,847.71/188,233.78
  6. Step 6: Final answer
    x = 141,026.01

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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.