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Finding the Fourth Proportional to 161,157.60, 241,736.40 and 124,293.60

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Solution

The fourth proportional to 161,157.60, 241,736.40 and 124,293.60 is: 186,440.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,157.60 : 241,736.40 = 124,293.60 : x
  2. Step 2: Convert to fraction form
    161,157.60/241,736.40 = 124,293.60/x
  3. Step 3: Cross multiply
    161,157.60x = 241,736.40 × 124,293.60
  4. Step 4: Simplify right side
    161,157.60x = 30,046,287,407.04
  5. Step 5: Solve for x
    x = 30,046,287,407.04/161,157.60
  6. Step 6: Final answer
    x = 186,440.40

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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.