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Finding the Fourth Proportional to 173,857.45, 260,575.57 and 73,807.60

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Solution

The fourth proportional to 173,857.45, 260,575.57 and 73,807.60 is: 110,621.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,857.45 : 260,575.57 = 73,807.60 : x
  2. Step 2: Convert to fraction form
    173,857.45/260,575.57 = 73,807.60/x
  3. Step 3: Cross multiply
    173,857.45x = 260,575.57 × 73,807.60
  4. Step 4: Simplify right side
    173,857.45x = 19,232,457,440.33
  5. Step 5: Solve for x
    x = 19,232,457,440.33/173,857.45
  6. Step 6: Final answer
    x = 110,621.99

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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.