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Finding the Fourth Proportional to 173,883.60, 260,825.40 and 74,047.05

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Solution

The fourth proportional to 173,883.60, 260,825.40 and 74,047.05 is: 111,070.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,883.60 : 260,825.40 = 74,047.05 : x
  2. Step 2: Convert to fraction form
    173,883.60/260,825.40 = 74,047.05/x
  3. Step 3: Cross multiply
    173,883.60x = 260,825.40 × 74,047.05
  4. Step 4: Simplify right side
    173,883.60x = 19,313,351,435.07
  5. Step 5: Solve for x
    x = 19,313,351,435.07/173,883.60
  6. Step 6: Final answer
    x = 111,070.58

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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.