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Finding the Fourth Proportional to 68,994,971.55, 103,470,063.15 and 22,924,468.02

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Solution

The fourth proportional to 68,994,971.55, 103,470,063.15 and 22,924,468.02 is: 34,379,261.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,994,971.55 : 103,470,063.15 = 22,924,468.02 : x
  2. Step 2: Convert to fraction form
    68,994,971.55/103,470,063.15 = 22,924,468.02/x
  3. Step 3: Cross multiply
    68,994,971.55x = 103,470,063.15 × 22,924,468.02
  4. Step 4: Simplify right side
    68,994,971.55x = 2,371,996,153,709,555.50
  5. Step 5: Solve for x
    x = 2,371,996,153,709,555.50/68,994,971.55
  6. Step 6: Final answer
    x = 34,379,261.28

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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.