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Finding the Fourth Proportional to 94,007.79, 140,883.71 and 51,824.61

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Solution

The fourth proportional to 94,007.79, 140,883.71 and 51,824.61 is: 77,666.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,007.79 : 140,883.71 = 51,824.61 : x
  2. Step 2: Convert to fraction form
    94,007.79/140,883.71 = 51,824.61/x
  3. Step 3: Cross multiply
    94,007.79x = 140,883.71 × 51,824.61
  4. Step 4: Simplify right side
    94,007.79x = 7,301,243,066.98
  5. Step 5: Solve for x
    x = 7,301,243,066.98/94,007.79
  6. Step 6: Final answer
    x = 77,666.36

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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.