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Finding the Fourth Proportional to 71,599,429.40, 98,804,599.62 and 43,768,750.64

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Solution

The fourth proportional to 71,599,429.40, 98,804,599.62 and 43,768,750.64 is: 60,399,278.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,599,429.40 : 98,804,599.62 = 43,768,750.64 : x
  2. Step 2: Convert to fraction form
    71,599,429.40/98,804,599.62 = 43,768,750.64/x
  3. Step 3: Cross multiply
    71,599,429.40x = 98,804,599.62 × 43,768,750.64
  4. Step 4: Simplify right side
    71,599,429.40x = 4,324,553,882,852,819
  5. Step 5: Solve for x
    x = 4,324,553,882,852,819/71,599,429.40
  6. Step 6: Final answer
    x = 60,399,278.58

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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.