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Finding the Fourth Proportional to 241,055.52, 332,575.05 and 139,078.56

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Solution

The fourth proportional to 241,055.52, 332,575.05 and 139,078.56 is: 191,881.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,055.52 : 332,575.05 = 139,078.56 : x
  2. Step 2: Convert to fraction form
    241,055.52/332,575.05 = 139,078.56/x
  3. Step 3: Cross multiply
    241,055.52x = 332,575.05 × 139,078.56
  4. Step 4: Simplify right side
    241,055.52x = 46,254,059,045.93
  5. Step 5: Solve for x
    x = 46,254,059,045.93/241,055.52
  6. Step 6: Final answer
    x = 191,881.35

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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.