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Finding the Fourth Proportional to 117,065.40, 175,338.90 and 96,329.40

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Solution

The fourth proportional to 117,065.40, 175,338.90 and 96,329.40 is: 144,280.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,065.40 : 175,338.90 = 96,329.40 : x
  2. Step 2: Convert to fraction form
    117,065.40/175,338.90 = 96,329.40/x
  3. Step 3: Cross multiply
    117,065.40x = 175,338.90 × 96,329.40
  4. Step 4: Simplify right side
    117,065.40x = 16,890,291,033.66
  5. Step 5: Solve for x
    x = 16,890,291,033.66/117,065.40
  6. Step 6: Final answer
    x = 144,280.81

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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.