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Finding the Fourth Proportional to 173,981.70, 260,969.04 and 55,653.03

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Solution

The fourth proportional to 173,981.70, 260,969.04 and 55,653.03 is: 83,478.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,981.70 : 260,969.04 = 55,653.03 : x
  2. Step 2: Convert to fraction form
    173,981.70/260,969.04 = 55,653.03/x
  3. Step 3: Cross multiply
    173,981.70x = 260,969.04 × 55,653.03
  4. Step 4: Simplify right side
    173,981.70x = 14,523,717,812.19
  5. Step 5: Solve for x
    x = 14,523,717,812.19/173,981.70
  6. Step 6: Final answer
    x = 83,478.42

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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.