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Finding the Fourth Proportional to 78,846,473.70, 108,806,975.73 and 44,039,672.10

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Solution

The fourth proportional to 78,846,473.70, 108,806,975.73 and 44,039,672.10 is: 60,774,100.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,846,473.70 : 108,806,975.73 = 44,039,672.10 : x
  2. Step 2: Convert to fraction form
    78,846,473.70/108,806,975.73 = 44,039,672.10/x
  3. Step 3: Cross multiply
    78,846,473.70x = 108,806,975.73 × 44,039,672.10
  4. Step 4: Simplify right side
    78,846,473.70x = 4,791,823,533,341,858
  5. Step 5: Solve for x
    x = 4,791,823,533,341,858/78,846,473.70
  6. Step 6: Final answer
    x = 60,774,100.71

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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.