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Finding the Fourth Proportional to 84,451.50, 116,543.19 and 46,728.30

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Solution

The fourth proportional to 84,451.50, 116,543.19 and 46,728.30 is: 64,485.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,451.50 : 116,543.19 = 46,728.30 : x
  2. Step 2: Convert to fraction form
    84,451.50/116,543.19 = 46,728.30/x
  3. Step 3: Cross multiply
    84,451.50x = 116,543.19 × 46,728.30
  4. Step 4: Simplify right side
    84,451.50x = 5,445,865,145.28
  5. Step 5: Solve for x
    x = 5,445,865,145.28/84,451.50
  6. Step 6: Final answer
    x = 64,485.12

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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.