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Finding the Fourth Proportional to 79,492,913.60, 119,239,370.40 and 73,753,350.80

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Solution

The fourth proportional to 79,492,913.60, 119,239,370.40 and 73,753,350.80 is: 110,630,026.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,492,913.60 : 119,239,370.40 = 73,753,350.80 : x
  2. Step 2: Convert to fraction form
    79,492,913.60/119,239,370.40 = 73,753,350.80/x
  3. Step 3: Cross multiply
    79,492,913.60x = 119,239,370.40 × 73,753,350.80
  4. Step 4: Simplify right side
    79,492,913.60x = 8,794,303,114,282,336
  5. Step 5: Solve for x
    x = 8,794,303,114,282,336/79,492,913.60
  6. Step 6: Final answer
    x = 110,630,026.20

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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.