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Finding the Fourth Proportional to 213,616.92, 294,793.32 and 118,130.10

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Solution

The fourth proportional to 213,616.92, 294,793.32 and 118,130.10 is: 163,020.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,616.92 : 294,793.32 = 118,130.10 : x
  2. Step 2: Convert to fraction form
    213,616.92/294,793.32 = 118,130.10/x
  3. Step 3: Cross multiply
    213,616.92x = 294,793.32 × 118,130.10
  4. Step 4: Simplify right side
    213,616.92x = 34,823,964,370.93
  5. Step 5: Solve for x
    x = 34,823,964,370.93/213,616.92
  6. Step 6: Final answer
    x = 163,020.63

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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.