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Finding the Fourth Proportional to 202,940.32, 304,448.76 and 62,666.20

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Solution

The fourth proportional to 202,940.32, 304,448.76 and 62,666.20 is: 94,011.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,940.32 : 304,448.76 = 62,666.20 : x
  2. Step 2: Convert to fraction form
    202,940.32/304,448.76 = 62,666.20/x
  3. Step 3: Cross multiply
    202,940.32x = 304,448.76 × 62,666.20
  4. Step 4: Simplify right side
    202,940.32x = 19,078,646,883.91
  5. Step 5: Solve for x
    x = 19,078,646,883.91/202,940.32
  6. Step 6: Final answer
    x = 94,011.12

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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.