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Finding the Fourth Proportional to 144,022.60, 216,033.90 and 123,027.40

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Solution

The fourth proportional to 144,022.60, 216,033.90 and 123,027.40 is: 184,541.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,022.60 : 216,033.90 = 123,027.40 : x
  2. Step 2: Convert to fraction form
    144,022.60/216,033.90 = 123,027.40/x
  3. Step 3: Cross multiply
    144,022.60x = 216,033.90 × 123,027.40
  4. Step 4: Simplify right side
    144,022.60x = 26,578,089,028.86
  5. Step 5: Solve for x
    x = 26,578,089,028.86/144,022.60
  6. Step 6: Final answer
    x = 184,541.10

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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.