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Finding the Fourth Proportional to 173,901.20, 260,851.80 and 165,736.40

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Solution

The fourth proportional to 173,901.20, 260,851.80 and 165,736.40 is: 248,604.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,901.20 : 260,851.80 = 165,736.40 : x
  2. Step 2: Convert to fraction form
    173,901.20/260,851.80 = 165,736.40/x
  3. Step 3: Cross multiply
    173,901.20x = 260,851.80 × 165,736.40
  4. Step 4: Simplify right side
    173,901.20x = 43,232,638,265.52
  5. Step 5: Solve for x
    x = 43,232,638,265.52/173,901.20
  6. Step 6: Final answer
    x = 248,604.60

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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.