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Finding the Fourth Proportional to 247,206.70, 370,810.02 and 69,690.52

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Solution

The fourth proportional to 247,206.70, 370,810.02 and 69,690.52 is: 104,535.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,206.70 : 370,810.02 = 69,690.52 : x
  2. Step 2: Convert to fraction form
    247,206.70/370,810.02 = 69,690.52/x
  3. Step 3: Cross multiply
    247,206.70x = 370,810.02 × 69,690.52
  4. Step 4: Simplify right side
    247,206.70x = 25,841,943,115.01
  5. Step 5: Solve for x
    x = 25,841,943,115.01/247,206.70
  6. Step 6: Final answer
    x = 104,535.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.