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Finding the Fourth Proportional to 213,391.48, 294,455.14 and 117,892.48

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Solution

The fourth proportional to 213,391.48, 294,455.14 and 117,892.48 is: 162,677.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,391.48 : 294,455.14 = 117,892.48 : x
  2. Step 2: Convert to fraction form
    213,391.48/294,455.14 = 117,892.48/x
  3. Step 3: Cross multiply
    213,391.48x = 294,455.14 × 117,892.48
  4. Step 4: Simplify right side
    213,391.48x = 34,714,046,703.35
  5. Step 5: Solve for x
    x = 34,714,046,703.35/213,391.48
  6. Step 6: Final answer
    x = 162,677.75

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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.