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Finding the Fourth Proportional to 216,059.60, 324,089.40 and 110,889.20

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Solution

The fourth proportional to 216,059.60, 324,089.40 and 110,889.20 is: 166,333.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,059.60 : 324,089.40 = 110,889.20 : x
  2. Step 2: Convert to fraction form
    216,059.60/324,089.40 = 110,889.20/x
  3. Step 3: Cross multiply
    216,059.60x = 324,089.40 × 110,889.20
  4. Step 4: Simplify right side
    216,059.60x = 35,938,014,294.48
  5. Step 5: Solve for x
    x = 35,938,014,294.48/216,059.60
  6. Step 6: Final answer
    x = 166,333.80

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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.