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Finding the Fourth Proportional to 94,861.94, 130,905.82 and 54,588.63

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Solution

The fourth proportional to 94,861.94, 130,905.82 and 54,588.63 is: 75,330.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,861.94 : 130,905.82 = 54,588.63 : x
  2. Step 2: Convert to fraction form
    94,861.94/130,905.82 = 54,588.63/x
  3. Step 3: Cross multiply
    94,861.94x = 130,905.82 × 54,588.63
  4. Step 4: Simplify right side
    94,861.94x = 7,145,969,931.96
  5. Step 5: Solve for x
    x = 7,145,969,931.96/94,861.94
  6. Step 6: Final answer
    x = 75,330.21

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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.