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Finding the Fourth Proportional to 114,351.38, 157,802.54 and 63,363.66

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Solution

The fourth proportional to 114,351.38, 157,802.54 and 63,363.66 is: 87,440.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,351.38 : 157,802.54 = 63,363.66 : x
  2. Step 2: Convert to fraction form
    114,351.38/157,802.54 = 63,363.66/x
  3. Step 3: Cross multiply
    114,351.38x = 157,802.54 × 63,363.66
  4. Step 4: Simplify right side
    114,351.38x = 9,998,946,491.70
  5. Step 5: Solve for x
    x = 9,998,946,491.70/114,351.38
  6. Step 6: Final answer
    x = 87,440.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.