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Finding the Fourth Proportional to 103,262.56, 154,894.56 and 47,091.04

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Solution

The fourth proportional to 103,262.56, 154,894.56 and 47,091.04 is: 70,636.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,262.56 : 154,894.56 = 47,091.04 : x
  2. Step 2: Convert to fraction form
    103,262.56/154,894.56 = 47,091.04/x
  3. Step 3: Cross multiply
    103,262.56x = 154,894.56 × 47,091.04
  4. Step 4: Simplify right side
    103,262.56x = 7,294,145,920.74
  5. Step 5: Solve for x
    x = 7,294,145,920.74/103,262.56
  6. Step 6: Final answer
    x = 70,636.89

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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.