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Finding the Fourth Proportional to 103,469.63, 155,074.59 and 44,235.68

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Solution

The fourth proportional to 103,469.63, 155,074.59 and 44,235.68 is: 66,298.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,469.63 : 155,074.59 = 44,235.68 : x
  2. Step 2: Convert to fraction form
    103,469.63/155,074.59 = 44,235.68/x
  3. Step 3: Cross multiply
    103,469.63x = 155,074.59 × 44,235.68
  4. Step 4: Simplify right side
    103,469.63x = 6,859,829,164.00
  5. Step 5: Solve for x
    x = 6,859,829,164.00/103,469.63
  6. Step 6: Final answer
    x = 66,298.00

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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.