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Finding the Fourth Proportional to 136,883.60, 205,325.40 and 94,893.20

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Solution

The fourth proportional to 136,883.60, 205,325.40 and 94,893.20 is: 142,339.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,883.60 : 205,325.40 = 94,893.20 : x
  2. Step 2: Convert to fraction form
    136,883.60/205,325.40 = 94,893.20/x
  3. Step 3: Cross multiply
    136,883.60x = 205,325.40 × 94,893.20
  4. Step 4: Simplify right side
    136,883.60x = 19,483,984,247.28
  5. Step 5: Solve for x
    x = 19,483,984,247.28/136,883.60
  6. Step 6: Final answer
    x = 142,339.80

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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.