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Finding the Fourth Proportional to 350,605.28, 525,661.68 and 122,845.12

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Solution

The fourth proportional to 350,605.28, 525,661.68 and 122,845.12 is: 184,181.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,605.28 : 525,661.68 = 122,845.12 : x
  2. Step 2: Convert to fraction form
    350,605.28/525,661.68 = 122,845.12/x
  3. Step 3: Cross multiply
    350,605.28x = 525,661.68 × 122,845.12
  4. Step 4: Simplify right side
    350,605.28x = 64,574,972,159.00
  5. Step 5: Solve for x
    x = 64,574,972,159.00/350,605.28
  6. Step 6: Final answer
    x = 184,181.40

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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.