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Finding the Fourth Proportional to 116,880.60, 175,320.90 and 70,224.60

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Solution

The fourth proportional to 116,880.60, 175,320.90 and 70,224.60 is: 105,336.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,880.60 : 175,320.90 = 70,224.60 : x
  2. Step 2: Convert to fraction form
    116,880.60/175,320.90 = 70,224.60/x
  3. Step 3: Cross multiply
    116,880.60x = 175,320.90 × 70,224.60
  4. Step 4: Simplify right side
    116,880.60x = 12,311,840,074.14
  5. Step 5: Solve for x
    x = 12,311,840,074.14/116,880.60
  6. Step 6: Final answer
    x = 105,336.90

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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.