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Finding the Fourth Proportional to 114,580.30, 171,870.45 and 108,019.30

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Solution

The fourth proportional to 114,580.30, 171,870.45 and 108,019.30 is: 162,028.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,580.30 : 171,870.45 = 108,019.30 : x
  2. Step 2: Convert to fraction form
    114,580.30/171,870.45 = 108,019.30/x
  3. Step 3: Cross multiply
    114,580.30x = 171,870.45 × 108,019.30
  4. Step 4: Simplify right side
    114,580.30x = 18,565,325,699.69
  5. Step 5: Solve for x
    x = 18,565,325,699.69/114,580.30
  6. Step 6: Final answer
    x = 162,028.95

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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.