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Finding the Fourth Proportional to 16,903,491.80, 25,355,237.70 and 16,077,738.20

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Solution

The fourth proportional to 16,903,491.80, 25,355,237.70 and 16,077,738.20 is: 24,116,607.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,903,491.80 : 25,355,237.70 = 16,077,738.20 : x
  2. Step 2: Convert to fraction form
    16,903,491.80/25,355,237.70 = 16,077,738.20/x
  3. Step 3: Cross multiply
    16,903,491.80x = 25,355,237.70 × 16,077,738.20
  4. Step 4: Simplify right side
    16,903,491.80x = 407,654,873,739,370.12
  5. Step 5: Solve for x
    x = 407,654,873,739,370.12/16,903,491.80
  6. Step 6: Final answer
    x = 24,116,607.30

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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.