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Finding the Fourth Proportional to 76,896.54, 106,119.76 and 44,628.72

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Solution

The fourth proportional to 76,896.54, 106,119.76 and 44,628.72 is: 61,589.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,896.54 : 106,119.76 = 44,628.72 : x
  2. Step 2: Convert to fraction form
    76,896.54/106,119.76 = 44,628.72/x
  3. Step 3: Cross multiply
    76,896.54x = 106,119.76 × 44,628.72
  4. Step 4: Simplify right side
    76,896.54x = 4,735,989,055.51
  5. Step 5: Solve for x
    x = 4,735,989,055.51/76,896.54
  6. Step 6: Final answer
    x = 61,589.10

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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.