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Finding the Fourth Proportional to 68,467.94, 94,606.48 and 52,688.74

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Solution

The fourth proportional to 68,467.94, 94,606.48 and 52,688.74 is: 72,803.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,467.94 : 94,606.48 = 52,688.74 : x
  2. Step 2: Convert to fraction form
    68,467.94/94,606.48 = 52,688.74/x
  3. Step 3: Cross multiply
    68,467.94x = 94,606.48 × 52,688.74
  4. Step 4: Simplify right side
    68,467.94x = 4,984,695,754.00
  5. Step 5: Solve for x
    x = 4,984,695,754.00/68,467.94
  6. Step 6: Final answer
    x = 72,803.36

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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.