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Finding the Fourth Proportional to 147,347.34, 203,339.34 and 80,279.34

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Solution

The fourth proportional to 147,347.34, 203,339.34 and 80,279.34 is: 110,785.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,347.34 : 203,339.34 = 80,279.34 : x
  2. Step 2: Convert to fraction form
    147,347.34/203,339.34 = 80,279.34/x
  3. Step 3: Cross multiply
    147,347.34x = 203,339.34 × 80,279.34
  4. Step 4: Simplify right side
    147,347.34x = 16,323,948,011.24
  5. Step 5: Solve for x
    x = 16,323,948,011.24/147,347.34
  6. Step 6: Final answer
    x = 110,785.50

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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.