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Finding the Fourth Proportional to 124,441.60, 186,662.40 and 108,889.60

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Solution

The fourth proportional to 124,441.60, 186,662.40 and 108,889.60 is: 163,334.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,441.60 : 186,662.40 = 108,889.60 : x
  2. Step 2: Convert to fraction form
    124,441.60/186,662.40 = 108,889.60/x
  3. Step 3: Cross multiply
    124,441.60x = 186,662.40 × 108,889.60
  4. Step 4: Simplify right side
    124,441.60x = 20,325,594,071.04
  5. Step 5: Solve for x
    x = 20,325,594,071.04/124,441.60
  6. Step 6: Final answer
    x = 163,334.40

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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.