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Finding the Fourth Proportional to 85,076.50, 117,403.49 and 46,835.74

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Solution

The fourth proportional to 85,076.50, 117,403.49 and 46,835.74 is: 64,632.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,076.50 : 117,403.49 = 46,835.74 : x
  2. Step 2: Convert to fraction form
    85,076.50/117,403.49 = 46,835.74/x
  3. Step 3: Cross multiply
    85,076.50x = 117,403.49 × 46,835.74
  4. Step 4: Simplify right side
    85,076.50x = 5,498,678,745.72
  5. Step 5: Solve for x
    x = 5,498,678,745.72/85,076.50
  6. Step 6: Final answer
    x = 64,632.17

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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.