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Finding the Fourth Proportional to 174,969.60, 262,065.60 and 143,865.60

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Solution

The fourth proportional to 174,969.60, 262,065.60 and 143,865.60 is: 215,478.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,969.60 : 262,065.60 = 143,865.60 : x
  2. Step 2: Convert to fraction form
    174,969.60/262,065.60 = 143,865.60/x
  3. Step 3: Cross multiply
    174,969.60x = 262,065.60 × 143,865.60
  4. Step 4: Simplify right side
    174,969.60x = 37,702,224,783.36
  5. Step 5: Solve for x
    x = 37,702,224,783.36/174,969.60
  6. Step 6: Final answer
    x = 215,478.72

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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.