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Finding the Fourth Proportional to 186,016.37, 278,844.12 and 73,659.24

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Solution

The fourth proportional to 186,016.37, 278,844.12 and 73,659.24 is: 110,417.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,016.37 : 278,844.12 = 73,659.24 : x
  2. Step 2: Convert to fraction form
    186,016.37/278,844.12 = 73,659.24/x
  3. Step 3: Cross multiply
    186,016.37x = 278,844.12 × 73,659.24
  4. Step 4: Simplify right side
    186,016.37x = 20,539,445,957.67
  5. Step 5: Solve for x
    x = 20,539,445,957.67/186,016.37
  6. Step 6: Final answer
    x = 110,417.41

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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.