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Finding the Fourth Proportional to 202,647.61, 303,977.61 and 69,526

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Solution

The fourth proportional to 202,647.61, 303,977.61 and 69,526 is: 104,291.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,647.61 : 303,977.61 = 69,526 : x
  2. Step 2: Convert to fraction form
    202,647.61/303,977.61 = 69,526/x
  3. Step 3: Cross multiply
    202,647.61x = 303,977.61 × 69,526
  4. Step 4: Simplify right side
    202,647.61x = 21,134,347,312.86
  5. Step 5: Solve for x
    x = 21,134,347,312.86/202,647.61
  6. Step 6: Final answer
    x = 104,291.13

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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.