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Finding the Fourth Proportional to 76,676,835.74, 114,994,304.69 and 27,483,520.01

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Solution

The fourth proportional to 76,676,835.74, 114,994,304.69 and 27,483,520.01 is: 41,217,771.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,676,835.74 : 114,994,304.69 = 27,483,520.01 : x
  2. Step 2: Convert to fraction form
    76,676,835.74/114,994,304.69 = 27,483,520.01/x
  3. Step 3: Cross multiply
    76,676,835.74x = 114,994,304.69 × 27,483,520.01
  4. Step 4: Simplify right side
    76,676,835.74x = 3,160,448,273,271,262.50
  5. Step 5: Solve for x
    x = 3,160,448,273,271,262.50/76,676,835.74
  6. Step 6: Final answer
    x = 41,217,771.22

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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.