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Finding the Fourth Proportional to 383,751.81, 575,629.07 and 117,511.16

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Solution

The fourth proportional to 383,751.81, 575,629.07 and 117,511.16 is: 176,267.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,751.81 : 575,629.07 = 117,511.16 : x
  2. Step 2: Convert to fraction form
    383,751.81/575,629.07 = 117,511.16/x
  3. Step 3: Cross multiply
    383,751.81x = 575,629.07 × 117,511.16
  4. Step 4: Simplify right side
    383,751.81x = 67,642,836,279.72
  5. Step 5: Solve for x
    x = 67,642,836,279.72/383,751.81
  6. Step 6: Final answer
    x = 176,267.15

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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.