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Finding the Fourth Proportional to 73,672,842.60, 110,509,263.90 and 25,134,564.60

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Solution

The fourth proportional to 73,672,842.60, 110,509,263.90 and 25,134,564.60 is: 37,701,846.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,672,842.60 : 110,509,263.90 = 25,134,564.60 : x
  2. Step 2: Convert to fraction form
    73,672,842.60/110,509,263.90 = 25,134,564.60/x
  3. Step 3: Cross multiply
    73,672,842.60x = 110,509,263.90 × 25,134,564.60
  4. Step 4: Simplify right side
    73,672,842.60x = 2,777,602,232,392,998.50
  5. Step 5: Solve for x
    x = 2,777,602,232,392,998.50/73,672,842.60
  6. Step 6: Final answer
    x = 37,701,846.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.