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Finding the Fourth Proportional to 70,080.94, 96,678.08 and 45,871.26

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Solution

The fourth proportional to 70,080.94, 96,678.08 and 45,871.26 is: 63,280.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,080.94 : 96,678.08 = 45,871.26 : x
  2. Step 2: Convert to fraction form
    70,080.94/96,678.08 = 45,871.26/x
  3. Step 3: Cross multiply
    70,080.94x = 96,678.08 × 45,871.26
  4. Step 4: Simplify right side
    70,080.94x = 4,434,745,343.98
  5. Step 5: Solve for x
    x = 4,434,745,343.98/70,080.94
  6. Step 6: Final answer
    x = 63,280.33

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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.