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Finding the Fourth Proportional to 11,745,324.80, 16,409,862.40 and 11,745,324.80

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Solution

The fourth proportional to 11,745,324.80, 16,409,862.40 and 11,745,324.80 is: 16,409,862.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,745,324.80 : 16,409,862.40 = 11,745,324.80 : x
  2. Step 2: Convert to fraction form
    11,745,324.80/16,409,862.40 = 11,745,324.80/x
  3. Step 3: Cross multiply
    11,745,324.80x = 16,409,862.40 × 11,745,324.80
  4. Step 4: Simplify right side
    11,745,324.80x = 192,739,163,811,307.53
  5. Step 5: Solve for x
    x = 192,739,163,811,307.53/11,745,324.80
  6. Step 6: Final answer
    x = 16,409,862.40

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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.