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Finding the Fourth Proportional to 213,358.04, 294,443.04 and 122,714.03

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Solution

The fourth proportional to 213,358.04, 294,443.04 and 122,714.03 is: 169,350.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,358.04 : 294,443.04 = 122,714.03 : x
  2. Step 2: Convert to fraction form
    213,358.04/294,443.04 = 122,714.03/x
  3. Step 3: Cross multiply
    213,358.04x = 294,443.04 × 122,714.03
  4. Step 4: Simplify right side
    213,358.04x = 36,132,292,043.85
  5. Step 5: Solve for x
    x = 36,132,292,043.85/213,358.04
  6. Step 6: Final answer
    x = 169,350.51

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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.