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Finding the Fourth Proportional to 10,368,885.20, 14,531,369.20 and 10,368,885.20

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Solution

The fourth proportional to 10,368,885.20, 14,531,369.20 and 10,368,885.20 is: 14,531,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,885.20 : 14,531,369.20 = 10,368,885.20 : x
  2. Step 2: Convert to fraction form
    10,368,885.20/14,531,369.20 = 10,368,885.20/x
  3. Step 3: Cross multiply
    10,368,885.20x = 14,531,369.20 × 10,368,885.20
  4. Step 4: Simplify right side
    10,368,885.20x = 150,674,099,033,615.81
  5. Step 5: Solve for x
    x = 150,674,099,033,615.81/10,368,885.20
  6. Step 6: Final answer
    x = 14,531,369.20

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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.