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Finding the Fourth Proportional to 173,539.20, 260,308.80 and 48,880.20

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Solution

The fourth proportional to 173,539.20, 260,308.80 and 48,880.20 is: 73,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,539.20 : 260,308.80 = 48,880.20 : x
  2. Step 2: Convert to fraction form
    173,539.20/260,308.80 = 48,880.20/x
  3. Step 3: Cross multiply
    173,539.20x = 260,308.80 × 48,880.20
  4. Step 4: Simplify right side
    173,539.20x = 12,723,946,205.76
  5. Step 5: Solve for x
    x = 12,723,946,205.76/173,539.20
  6. Step 6: Final answer
    x = 73,320.30

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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.