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Finding the Fourth Proportional to 43,390,236.94, 59,878,978.68 and 23,812,393.37

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Solution

The fourth proportional to 43,390,236.94, 59,878,978.68 and 23,812,393.37 is: 32,861,350.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,390,236.94 : 59,878,978.68 = 23,812,393.37 : x
  2. Step 2: Convert to fraction form
    43,390,236.94/59,878,978.68 = 23,812,393.37/x
  3. Step 3: Cross multiply
    43,390,236.94x = 59,878,978.68 × 23,812,393.37
  4. Step 4: Simplify right side
    43,390,236.94x = 1,425,861,794,711,905
  5. Step 5: Solve for x
    x = 1,425,861,794,711,905/43,390,236.94
  6. Step 6: Final answer
    x = 32,861,350.74

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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.