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Finding the Fourth Proportional to 82,990,299.60, 124,401,468.60 and 48,894,094.80

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Solution

The fourth proportional to 82,990,299.60, 124,401,468.60 and 48,894,094.80 is: 73,291,664.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,990,299.60 : 124,401,468.60 = 48,894,094.80 : x
  2. Step 2: Convert to fraction form
    82,990,299.60/124,401,468.60 = 48,894,094.80/x
  3. Step 3: Cross multiply
    82,990,299.60x = 124,401,468.60 × 48,894,094.80
  4. Step 4: Simplify right side
    82,990,299.60x = 6,082,497,198,987,623
  5. Step 5: Solve for x
    x = 6,082,497,198,987,623/82,990,299.60
  6. Step 6: Final answer
    x = 73,291,664.55

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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.