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Finding the Fourth Proportional to 173,728.64, 260,085.90 and 106,968.44

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Solution

The fourth proportional to 173,728.64, 260,085.90 and 106,968.44 is: 160,140.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,728.64 : 260,085.90 = 106,968.44 : x
  2. Step 2: Convert to fraction form
    173,728.64/260,085.90 = 106,968.44/x
  3. Step 3: Cross multiply
    173,728.64x = 260,085.90 × 106,968.44
  4. Step 4: Simplify right side
    173,728.64x = 27,820,982,989.00
  5. Step 5: Solve for x
    x = 27,820,982,989.00/173,728.64
  6. Step 6: Final answer
    x = 160,140.45

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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.