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Finding the Fourth Proportional to 115,762.68, 159,777.32 and 70,455.26

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Solution

The fourth proportional to 115,762.68, 159,777.32 and 70,455.26 is: 97,243.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,762.68 : 159,777.32 = 70,455.26 : x
  2. Step 2: Convert to fraction form
    115,762.68/159,777.32 = 70,455.26/x
  3. Step 3: Cross multiply
    115,762.68x = 159,777.32 × 70,455.26
  4. Step 4: Simplify right side
    115,762.68x = 11,257,151,471.54
  5. Step 5: Solve for x
    x = 11,257,151,471.54/115,762.68
  6. Step 6: Final answer
    x = 97,243.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.