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Finding the Fourth Proportional to 77,104.92, 106,363.74 and 46,899.48

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Solution

The fourth proportional to 77,104.92, 106,363.74 and 46,899.48 is: 64,696.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,104.92 : 106,363.74 = 46,899.48 : x
  2. Step 2: Convert to fraction form
    77,104.92/106,363.74 = 46,899.48/x
  3. Step 3: Cross multiply
    77,104.92x = 106,363.74 × 46,899.48
  4. Step 4: Simplify right side
    77,104.92x = 4,988,404,096.86
  5. Step 5: Solve for x
    x = 4,988,404,096.86/77,104.92
  6. Step 6: Final answer
    x = 64,696.31

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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.