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Finding the Fourth Proportional to 94,251.52, 130,068.72 and 51,811.84

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Solution

The fourth proportional to 94,251.52, 130,068.72 and 51,811.84 is: 71,501.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,251.52 : 130,068.72 = 51,811.84 : x
  2. Step 2: Convert to fraction form
    94,251.52/130,068.72 = 51,811.84/x
  3. Step 3: Cross multiply
    94,251.52x = 130,068.72 × 51,811.84
  4. Step 4: Simplify right side
    94,251.52x = 6,739,099,709.64
  5. Step 5: Solve for x
    x = 6,739,099,709.64/94,251.52
  6. Step 6: Final answer
    x = 71,501.23

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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.