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Finding the Fourth Proportional to 14,133,715.10, 19,831,990.90 and 14,133,715.10

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Solution

The fourth proportional to 14,133,715.10, 19,831,990.90 and 14,133,715.10 is: 19,831,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,133,715.10 : 19,831,990.90 = 14,133,715.10 : x
  2. Step 2: Convert to fraction form
    14,133,715.10/19,831,990.90 = 14,133,715.10/x
  3. Step 3: Cross multiply
    14,133,715.10x = 19,831,990.90 × 14,133,715.10
  4. Step 4: Simplify right side
    14,133,715.10x = 280,299,709,246,392.56
  5. Step 5: Solve for x
    x = 280,299,709,246,392.56/14,133,715.10
  6. Step 6: Final answer
    x = 19,831,990.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.