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Finding the Fourth Proportional to 94,901.94, 130,964.64 and 51,881.60

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Solution

The fourth proportional to 94,901.94, 130,964.64 and 51,881.60 is: 71,596.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,901.94 : 130,964.64 = 51,881.60 : x
  2. Step 2: Convert to fraction form
    94,901.94/130,964.64 = 51,881.60/x
  3. Step 3: Cross multiply
    94,901.94x = 130,964.64 × 51,881.60
  4. Step 4: Simplify right side
    94,901.94x = 6,794,655,066.62
  5. Step 5: Solve for x
    x = 6,794,655,066.62/94,901.94
  6. Step 6: Final answer
    x = 71,596.59

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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.