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Finding the Fourth Proportional to 186,133.60, 279,200.40 and 73,840.60

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Solution

The fourth proportional to 186,133.60, 279,200.40 and 73,840.60 is: 110,760.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,133.60 : 279,200.40 = 73,840.60 : x
  2. Step 2: Convert to fraction form
    186,133.60/279,200.40 = 73,840.60/x
  3. Step 3: Cross multiply
    186,133.60x = 279,200.40 × 73,840.60
  4. Step 4: Simplify right side
    186,133.60x = 20,616,325,056.24
  5. Step 5: Solve for x
    x = 20,616,325,056.24/186,133.60
  6. Step 6: Final answer
    x = 110,760.90

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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.