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Finding the Fourth Proportional to 109,594.40, 164,456.40 and 39,464.60

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Solution

The fourth proportional to 109,594.40, 164,456.40 and 39,464.60 is: 59,220.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,594.40 : 164,456.40 = 39,464.60 : x
  2. Step 2: Convert to fraction form
    109,594.40/164,456.40 = 39,464.60/x
  3. Step 3: Cross multiply
    109,594.40x = 164,456.40 × 39,464.60
  4. Step 4: Simplify right side
    109,594.40x = 6,490,206,043.44
  5. Step 5: Solve for x
    x = 6,490,206,043.44/109,594.40
  6. Step 6: Final answer
    x = 59,220.23

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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.