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Finding the Fourth Proportional to 117,056.40, 175,591.08 and 49,599.60

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Solution

The fourth proportional to 117,056.40, 175,591.08 and 49,599.60 is: 74,402.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,056.40 : 175,591.08 = 49,599.60 : x
  2. Step 2: Convert to fraction form
    117,056.40/175,591.08 = 49,599.60/x
  3. Step 3: Cross multiply
    117,056.40x = 175,591.08 × 49,599.60
  4. Step 4: Simplify right side
    117,056.40x = 8,709,247,331.57
  5. Step 5: Solve for x
    x = 8,709,247,331.57/117,056.40
  6. Step 6: Final answer
    x = 74,402.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.