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Finding the Fourth Proportional to 164,578,808.40, 246,860,339.40 and 55,393,270.80

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Solution

The fourth proportional to 164,578,808.40, 246,860,339.40 and 55,393,270.80 is: 83,087,256.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,578,808.40 : 246,860,339.40 = 55,393,270.80 : x
  2. Step 2: Convert to fraction form
    164,578,808.40/246,860,339.40 = 55,393,270.80/x
  3. Step 3: Cross multiply
    164,578,808.40x = 246,860,339.40 × 55,393,270.80
  4. Step 4: Simplify right side
    164,578,808.40x = 13,674,401,630,164,110
  5. Step 5: Solve for x
    x = 13,674,401,630,164,110/164,578,808.40
  6. Step 6: Final answer
    x = 83,087,256.27

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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.