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Finding the Fourth Proportional to 144,749.52, 218,110.32 and 119,030.40

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Solution

The fourth proportional to 144,749.52, 218,110.32 and 119,030.40 is: 179,356.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,749.52 : 218,110.32 = 119,030.40 : x
  2. Step 2: Convert to fraction form
    144,749.52/218,110.32 = 119,030.40/x
  3. Step 3: Cross multiply
    144,749.52x = 218,110.32 × 119,030.40
  4. Step 4: Simplify right side
    144,749.52x = 25,961,758,633.73
  5. Step 5: Solve for x
    x = 25,961,758,633.73/144,749.52
  6. Step 6: Final answer
    x = 179,356.44

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.