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Finding the Fourth Proportional to 173,880.30, 260,820.45 and 49,221.30

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Solution

The fourth proportional to 173,880.30, 260,820.45 and 49,221.30 is: 73,831.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,880.30 : 260,820.45 = 49,221.30 : x
  2. Step 2: Convert to fraction form
    173,880.30/260,820.45 = 49,221.30/x
  3. Step 3: Cross multiply
    173,880.30x = 260,820.45 × 49,221.30
  4. Step 4: Simplify right side
    173,880.30x = 12,837,921,615.59
  5. Step 5: Solve for x
    x = 12,837,921,615.59/173,880.30
  6. Step 6: Final answer
    x = 73,831.95

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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.