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Finding the Fourth Proportional to 187,623, 281,390.22 and 61,230.60

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Solution

The fourth proportional to 187,623, 281,390.22 and 61,230.60 is: 91,831.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,623 : 281,390.22 = 61,230.60 : x
  2. Step 2: Convert to fraction form
    187,623/281,390.22 = 61,230.60/x
  3. Step 3: Cross multiply
    187,623x = 281,390.22 × 61,230.60
  4. Step 4: Simplify right side
    187,623x = 17,229,692,004.73
  5. Step 5: Solve for x
    x = 17,229,692,004.73/187,623
  6. Step 6: Final answer
    x = 91,831.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.