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Finding the Fourth Proportional to 219,015.44, 302,241.27 and 118,413.44

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Solution

The fourth proportional to 219,015.44, 302,241.27 and 118,413.44 is: 163,410.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,015.44 : 302,241.27 = 118,413.44 : x
  2. Step 2: Convert to fraction form
    219,015.44/302,241.27 = 118,413.44/x
  3. Step 3: Cross multiply
    219,015.44x = 302,241.27 × 118,413.44
  4. Step 4: Simplify right side
    219,015.44x = 35,789,426,979.46
  5. Step 5: Solve for x
    x = 35,789,426,979.46/219,015.44
  6. Step 6: Final answer
    x = 163,410.52

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1.5x scale

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.