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Finding the Fourth Proportional to 84,661.38, 116,833.83 and 46,420.86

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Solution

The fourth proportional to 84,661.38, 116,833.83 and 46,420.86 is: 64,061.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,661.38 : 116,833.83 = 46,420.86 : x
  2. Step 2: Convert to fraction form
    84,661.38/116,833.83 = 46,420.86/x
  3. Step 3: Cross multiply
    84,661.38x = 116,833.83 × 46,420.86
  4. Step 4: Simplify right side
    84,661.38x = 5,423,526,865.69
  5. Step 5: Solve for x
    x = 5,423,526,865.69/84,661.38
  6. Step 6: Final answer
    x = 64,061.40

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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.