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Finding the Fourth Proportional to 58,978,162.60, 88,467,243.90 and 48,900,466.60

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Solution

The fourth proportional to 58,978,162.60, 88,467,243.90 and 48,900,466.60 is: 73,350,699.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,978,162.60 : 88,467,243.90 = 48,900,466.60 : x
  2. Step 2: Convert to fraction form
    58,978,162.60/88,467,243.90 = 48,900,466.60/x
  3. Step 3: Cross multiply
    58,978,162.60x = 88,467,243.90 × 48,900,466.60
  4. Step 4: Simplify right side
    58,978,162.60x = 4,326,089,505,526,004
  5. Step 5: Solve for x
    x = 4,326,089,505,526,004/58,978,162.60
  6. Step 6: Final answer
    x = 73,350,699.90

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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.