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Finding the Fourth Proportional to 109,060.40, 163,201.80 and 75,623.60

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Solution

The fourth proportional to 109,060.40, 163,201.80 and 75,623.60 is: 113,165.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,060.40 : 163,201.80 = 75,623.60 : x
  2. Step 2: Convert to fraction form
    109,060.40/163,201.80 = 75,623.60/x
  3. Step 3: Cross multiply
    109,060.40x = 163,201.80 × 75,623.60
  4. Step 4: Simplify right side
    109,060.40x = 12,341,907,642.48
  5. Step 5: Solve for x
    x = 12,341,907,642.48/109,060.40
  6. Step 6: Final answer
    x = 113,165.80

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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.