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Finding the Fourth Proportional to 173,810.40, 260,739.90 and 73,969.80

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Solution

The fourth proportional to 173,810.40, 260,739.90 and 73,969.80 is: 110,965.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,810.40 : 260,739.90 = 73,969.80 : x
  2. Step 2: Convert to fraction form
    173,810.40/260,739.90 = 73,969.80/x
  3. Step 3: Cross multiply
    173,810.40x = 260,739.90 × 73,969.80
  4. Step 4: Simplify right side
    173,810.40x = 19,286,878,255.02
  5. Step 5: Solve for x
    x = 19,286,878,255.02/173,810.40
  6. Step 6: Final answer
    x = 110,965.04

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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.