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Finding the Fourth Proportional to 153,765.60, 230,648.40 and 94,408.80

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Solution

The fourth proportional to 153,765.60, 230,648.40 and 94,408.80 is: 141,613.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,765.60 : 230,648.40 = 94,408.80 : x
  2. Step 2: Convert to fraction form
    153,765.60/230,648.40 = 94,408.80/x
  3. Step 3: Cross multiply
    153,765.60x = 230,648.40 × 94,408.80
  4. Step 4: Simplify right side
    153,765.60x = 21,775,238,665.92
  5. Step 5: Solve for x
    x = 21,775,238,665.92/153,765.60
  6. Step 6: Final answer
    x = 141,613.20

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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.