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Finding the Fourth Proportional to 104,950.70, 144,831.02 and 57,204.04

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Solution

The fourth proportional to 104,950.70, 144,831.02 and 57,204.04 is: 78,941.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,950.70 : 144,831.02 = 57,204.04 : x
  2. Step 2: Convert to fraction form
    104,950.70/144,831.02 = 57,204.04/x
  3. Step 3: Cross multiply
    104,950.70x = 144,831.02 × 57,204.04
  4. Step 4: Simplify right side
    104,950.70x = 8,284,919,461.32
  5. Step 5: Solve for x
    x = 8,284,919,461.32/104,950.70
  6. Step 6: Final answer
    x = 78,941.06

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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.