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Finding the Fourth Proportional to 94,702,990.60, 142,054,485.90 and 43,684,654.60

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Solution

The fourth proportional to 94,702,990.60, 142,054,485.90 and 43,684,654.60 is: 65,526,981.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,702,990.60 : 142,054,485.90 = 43,684,654.60 : x
  2. Step 2: Convert to fraction form
    94,702,990.60/142,054,485.90 = 43,684,654.60/x
  3. Step 3: Cross multiply
    94,702,990.60x = 142,054,485.90 × 43,684,654.60
  4. Step 4: Simplify right side
    94,702,990.60x = 6,205,601,150,922,071
  5. Step 5: Solve for x
    x = 6,205,601,150,922,071/94,702,990.60
  6. Step 6: Final answer
    x = 65,526,981.90

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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.