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Finding the Fourth Proportional to 43,838,818.80, 61,508,715.60 and 43,838,818.80

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Solution

The fourth proportional to 43,838,818.80, 61,508,715.60 and 43,838,818.80 is: 61,508,715.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,838,818.80 : 61,508,715.60 = 43,838,818.80 : x
  2. Step 2: Convert to fraction form
    43,838,818.80/61,508,715.60 = 43,838,818.80/x
  3. Step 3: Cross multiply
    43,838,818.80x = 61,508,715.60 × 43,838,818.80
  4. Step 4: Simplify right side
    43,838,818.80x = 2,696,469,437,809,133
  5. Step 5: Solve for x
    x = 2,696,469,437,809,133/43,838,818.80
  6. Step 6: Final answer
    x = 61,508,715.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.