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Finding the Fourth Proportional to 173,493.20, 260,628.60 and 166,408.40

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Solution

The fourth proportional to 173,493.20, 260,628.60 and 166,408.40 is: 249,985.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,493.20 : 260,628.60 = 166,408.40 : x
  2. Step 2: Convert to fraction form
    173,493.20/260,628.60 = 166,408.40/x
  3. Step 3: Cross multiply
    173,493.20x = 260,628.60 × 166,408.40
  4. Step 4: Simplify right side
    173,493.20x = 43,370,788,320.24
  5. Step 5: Solve for x
    x = 43,370,788,320.24/173,493.20
  6. Step 6: Final answer
    x = 249,985.52

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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.