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Finding the Fourth Proportional to 193,339.06, 290,123.40 and 104,590.60

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Solution

The fourth proportional to 193,339.06, 290,123.40 and 104,590.60 is: 156,948.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,339.06 : 290,123.40 = 104,590.60 : x
  2. Step 2: Convert to fraction form
    193,339.06/290,123.40 = 104,590.60/x
  3. Step 3: Cross multiply
    193,339.06x = 290,123.40 × 104,590.60
  4. Step 4: Simplify right side
    193,339.06x = 30,344,180,146.95
  5. Step 5: Solve for x
    x = 30,344,180,146.95/193,339.06
  6. Step 6: Final answer
    x = 156,948.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.