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Finding the Fourth Proportional to 1,145,116.30, 1,601,063.30 and 1,145,116.30

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Solution

The fourth proportional to 1,145,116.30, 1,601,063.30 and 1,145,116.30 is: 1,601,063.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,116.30 : 1,601,063.30 = 1,145,116.30 : x
  2. Step 2: Convert to fraction form
    1,145,116.30/1,601,063.30 = 1,145,116.30/x
  3. Step 3: Cross multiply
    1,145,116.30x = 1,601,063.30 × 1,145,116.30
  4. Step 4: Simplify right side
    1,145,116.30x = 1,833,403,682,161.79
  5. Step 5: Solve for x
    x = 1,833,403,682,161.79/1,145,116.30
  6. Step 6: Final answer
    x = 1,601,063.30

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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.