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Finding the Fourth Proportional to 188,393.04, 259,713.54 and 134,658.45

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Solution

The fourth proportional to 188,393.04, 259,713.54 and 134,658.45 is: 185,636.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,393.04 : 259,713.54 = 134,658.45 : x
  2. Step 2: Convert to fraction form
    188,393.04/259,713.54 = 134,658.45/x
  3. Step 3: Cross multiply
    188,393.04x = 259,713.54 × 134,658.45
  4. Step 4: Simplify right side
    188,393.04x = 34,972,622,740.41
  5. Step 5: Solve for x
    x = 34,972,622,740.41/188,393.04
  6. Step 6: Final answer
    x = 185,636.49

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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.