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Finding the Fourth Proportional to 202,668.84, 304,003.32 and 52,908.72

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Solution

The fourth proportional to 202,668.84, 304,003.32 and 52,908.72 is: 79,363.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,668.84 : 304,003.32 = 52,908.72 : x
  2. Step 2: Convert to fraction form
    202,668.84/304,003.32 = 52,908.72/x
  3. Step 3: Cross multiply
    202,668.84x = 304,003.32 × 52,908.72
  4. Step 4: Simplify right side
    202,668.84x = 16,084,426,536.95
  5. Step 5: Solve for x
    x = 16,084,426,536.95/202,668.84
  6. Step 6: Final answer
    x = 79,363.10

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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.