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Finding the Fourth Proportional to 171,629.60, 257,055.60 and 101,645.60

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Solution

The fourth proportional to 171,629.60, 257,055.60 and 101,645.60 is: 152,238.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,629.60 : 257,055.60 = 101,645.60 : x
  2. Step 2: Convert to fraction form
    171,629.60/257,055.60 = 101,645.60/x
  3. Step 3: Cross multiply
    171,629.60x = 257,055.60 × 101,645.60
  4. Step 4: Simplify right side
    171,629.60x = 26,128,570,695.36
  5. Step 5: Solve for x
    x = 26,128,570,695.36/171,629.60
  6. Step 6: Final answer
    x = 152,238.14

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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.