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Finding the Fourth Proportional to 202,547.00, 303,857.42 and 69,440.72

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Solution

The fourth proportional to 202,547.00, 303,857.42 and 69,440.72 is: 104,173.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,547.00 : 303,857.42 = 69,440.72 : x
  2. Step 2: Convert to fraction form
    202,547.00/303,857.42 = 69,440.72/x
  3. Step 3: Cross multiply
    202,547.00x = 303,857.42 × 69,440.72
  4. Step 4: Simplify right side
    202,547.00x = 21,100,076,155.65
  5. Step 5: Solve for x
    x = 21,100,076,155.65/202,547.00
  6. Step 6: Final answer
    x = 104,173.73

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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.