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Finding the Fourth Proportional to 213,616.96, 294,793.30 and 118,130.10

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Solution

The fourth proportional to 213,616.96, 294,793.30 and 118,130.10 is: 163,020.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,616.96 : 294,793.30 = 118,130.10 : x
  2. Step 2: Convert to fraction form
    213,616.96/294,793.30 = 118,130.10/x
  3. Step 3: Cross multiply
    213,616.96x = 294,793.30 × 118,130.10
  4. Step 4: Simplify right side
    213,616.96x = 34,823,962,008.33
  5. Step 5: Solve for x
    x = 34,823,962,008.33/213,616.96
  6. Step 6: Final answer
    x = 163,020.59

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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.