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Finding the Fourth Proportional to 165,954.80, 248,903.40 and 60,719.60

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Solution

The fourth proportional to 165,954.80, 248,903.40 and 60,719.60 is: 91,068.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,954.80 : 248,903.40 = 60,719.60 : x
  2. Step 2: Convert to fraction form
    165,954.80/248,903.40 = 60,719.60/x
  3. Step 3: Cross multiply
    165,954.80x = 248,903.40 × 60,719.60
  4. Step 4: Simplify right side
    165,954.80x = 15,113,314,886.64
  5. Step 5: Solve for x
    x = 15,113,314,886.64/165,954.80
  6. Step 6: Final answer
    x = 91,068.86

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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.