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Finding the Fourth Proportional to 219,015.16, 302,241.36 and 118,413.16

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Solution

The fourth proportional to 219,015.16, 302,241.36 and 118,413.16 is: 163,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,015.16 : 302,241.36 = 118,413.16 : x
  2. Step 2: Convert to fraction form
    219,015.16/302,241.36 = 118,413.16/x
  3. Step 3: Cross multiply
    219,015.16x = 302,241.36 × 118,413.16
  4. Step 4: Simplify right side
    219,015.16x = 35,789,354,520.30
  5. Step 5: Solve for x
    x = 35,789,354,520.30/219,015.16
  6. Step 6: Final answer
    x = 163,410.40

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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.