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Finding the Fourth Proportional to 216,834.03, 325,389.83 and 117,063.77

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Solution

The fourth proportional to 216,834.03, 325,389.83 and 117,063.77 is: 175,670.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,834.03 : 325,389.83 = 117,063.77 : x
  2. Step 2: Convert to fraction form
    216,834.03/325,389.83 = 117,063.77/x
  3. Step 3: Cross multiply
    216,834.03x = 325,389.83 × 117,063.77
  4. Step 4: Simplify right side
    216,834.03x = 38,091,358,007.19
  5. Step 5: Solve for x
    x = 38,091,358,007.19/216,834.03
  6. Step 6: Final answer
    x = 175,670.57

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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.