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Finding the Fourth Proportional to 88,094.94, 121,571.42 and 47,808.69

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Solution

The fourth proportional to 88,094.94, 121,571.42 and 47,808.69 is: 65,976.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,094.94 : 121,571.42 = 47,808.69 : x
  2. Step 2: Convert to fraction form
    88,094.94/121,571.42 = 47,808.69/x
  3. Step 3: Cross multiply
    88,094.94x = 121,571.42 × 47,808.69
  4. Step 4: Simplify right side
    88,094.94x = 5,812,170,693.20
  5. Step 5: Solve for x
    x = 5,812,170,693.20/88,094.94
  6. Step 6: Final answer
    x = 65,976.21

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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.