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Finding the Fourth Proportional to 187,745.60, 281,618.40 and 164,417.60

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Solution

The fourth proportional to 187,745.60, 281,618.40 and 164,417.60 is: 246,626.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,745.60 : 281,618.40 = 164,417.60 : x
  2. Step 2: Convert to fraction form
    187,745.60/281,618.40 = 164,417.60/x
  3. Step 3: Cross multiply
    187,745.60x = 281,618.40 × 164,417.60
  4. Step 4: Simplify right side
    187,745.60x = 46,303,021,443.84
  5. Step 5: Solve for x
    x = 46,303,021,443.84/187,745.60
  6. Step 6: Final answer
    x = 246,626.40

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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.