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Finding the Fourth Proportional to 197,980.60, 296,970.90 and 93,004.60

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Solution

The fourth proportional to 197,980.60, 296,970.90 and 93,004.60 is: 139,506.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,980.60 : 296,970.90 = 93,004.60 : x
  2. Step 2: Convert to fraction form
    197,980.60/296,970.90 = 93,004.60/x
  3. Step 3: Cross multiply
    197,980.60x = 296,970.90 × 93,004.60
  4. Step 4: Simplify right side
    197,980.60x = 27,619,659,766.14
  5. Step 5: Solve for x
    x = 27,619,659,766.14/197,980.60
  6. Step 6: Final answer
    x = 139,506.90

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1.5x scale

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.