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Finding the Fourth Proportional to 230,853.60, 346,021.20 and 118,490.40

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Solution

The fourth proportional to 230,853.60, 346,021.20 and 118,490.40 is: 177,602.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,853.60 : 346,021.20 = 118,490.40 : x
  2. Step 2: Convert to fraction form
    230,853.60/346,021.20 = 118,490.40/x
  3. Step 3: Cross multiply
    230,853.60x = 346,021.20 × 118,490.40
  4. Step 4: Simplify right side
    230,853.60x = 41,000,190,396.48
  5. Step 5: Solve for x
    x = 41,000,190,396.48/230,853.60
  6. Step 6: Final answer
    x = 177,602.56

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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.