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Finding the Fourth Proportional to 64,554,693.60, 96,944,014.80 and 34,321,605.60

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Solution

The fourth proportional to 64,554,693.60, 96,944,014.80 and 34,321,605.60 is: 51,541,941.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,554,693.60 : 96,944,014.80 = 34,321,605.60 : x
  2. Step 2: Convert to fraction form
    64,554,693.60/96,944,014.80 = 34,321,605.60/x
  3. Step 3: Cross multiply
    64,554,693.60x = 96,944,014.80 × 34,321,605.60
  4. Step 4: Simplify right side
    64,554,693.60x = 3,327,274,241,246,163
  5. Step 5: Solve for x
    x = 3,327,274,241,246,163/64,554,693.60
  6. Step 6: Final answer
    x = 51,541,941.50

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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.