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Finding the Fourth Proportional to 173,878.24, 260,839.20 and 49,219.20

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Solution

The fourth proportional to 173,878.24, 260,839.20 and 49,219.20 is: 73,834.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,878.24 : 260,839.20 = 49,219.20 : x
  2. Step 2: Convert to fraction form
    173,878.24/260,839.20 = 49,219.20/x
  3. Step 3: Cross multiply
    173,878.24x = 260,839.20 × 49,219.20
  4. Step 4: Simplify right side
    173,878.24x = 12,838,296,752.64
  5. Step 5: Solve for x
    x = 12,838,296,752.64/173,878.24
  6. Step 6: Final answer
    x = 73,834.98

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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.