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Finding the Fourth Proportional to 71,599.19, 98,795.90 and 41,378.68

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Solution

The fourth proportional to 71,599.19, 98,795.90 and 41,378.68 is: 57,096.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,599.19 : 98,795.90 = 41,378.68 : x
  2. Step 2: Convert to fraction form
    71,599.19/98,795.90 = 41,378.68/x
  3. Step 3: Cross multiply
    71,599.19x = 98,795.90 × 41,378.68
  4. Step 4: Simplify right side
    71,599.19x = 4,088,043,931.41
  5. Step 5: Solve for x
    x = 4,088,043,931.41/71,599.19
  6. Step 6: Final answer
    x = 57,096.23

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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.