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Finding the Fourth Proportional to 52,802.66, 79,007.13 and 52,212.14

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Solution

The fourth proportional to 52,802.66, 79,007.13 and 52,212.14 is: 78,123.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,802.66 : 79,007.13 = 52,212.14 : x
  2. Step 2: Convert to fraction form
    52,802.66/79,007.13 = 52,212.14/x
  3. Step 3: Cross multiply
    52,802.66x = 79,007.13 × 52,212.14
  4. Step 4: Simplify right side
    52,802.66x = 4,125,131,332.56
  5. Step 5: Solve for x
    x = 4,125,131,332.56/52,802.66
  6. Step 6: Final answer
    x = 78,123.55

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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.