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Finding the Fourth Proportional to 14,041,901.80, 21,031,359.90 and 14,041,901.80

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Solution

The fourth proportional to 14,041,901.80, 21,031,359.90 and 14,041,901.80 is: 21,031,359.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,041,901.80 : 21,031,359.90 = 14,041,901.80 : x
  2. Step 2: Convert to fraction form
    14,041,901.80/21,031,359.90 = 14,041,901.80/x
  3. Step 3: Cross multiply
    14,041,901.80x = 21,031,359.90 × 14,041,901.80
  4. Step 4: Simplify right side
    14,041,901.80x = 295,320,290,436,257.81
  5. Step 5: Solve for x
    x = 295,320,290,436,257.81/14,041,901.80
  6. Step 6: Final answer
    x = 21,031,359.90

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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.