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Finding the Fourth Proportional to 174,485.60, 240,791.28 and 99,035.36

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Solution

The fourth proportional to 174,485.60, 240,791.28 and 99,035.36 is: 136,669.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,485.60 : 240,791.28 = 99,035.36 : x
  2. Step 2: Convert to fraction form
    174,485.60/240,791.28 = 99,035.36/x
  3. Step 3: Cross multiply
    174,485.60x = 240,791.28 × 99,035.36
  4. Step 4: Simplify right side
    174,485.60x = 23,846,851,099.66
  5. Step 5: Solve for x
    x = 23,846,851,099.66/174,485.60
  6. Step 6: Final answer
    x = 136,669.45

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Why These Related Problems?

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