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Finding the Fourth Proportional to 73,269.30, 102,810.30 and 73,269.30

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Solution

The fourth proportional to 73,269.30, 102,810.30 and 73,269.30 is: 102,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,269.30 : 102,810.30 = 73,269.30 : x
  2. Step 2: Convert to fraction form
    73,269.30/102,810.30 = 73,269.30/x
  3. Step 3: Cross multiply
    73,269.30x = 102,810.30 × 73,269.30
  4. Step 4: Simplify right side
    73,269.30x = 7,532,838,713.79
  5. Step 5: Solve for x
    x = 7,532,838,713.79/73,269.30
  6. Step 6: Final answer
    x = 102,810.30

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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.