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Finding the Fourth Proportional to 114,294.93, 171,453.68 and 39,405.21

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Solution

The fourth proportional to 114,294.93, 171,453.68 and 39,405.21 is: 59,111.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,294.93 : 171,453.68 = 39,405.21 : x
  2. Step 2: Convert to fraction form
    114,294.93/171,453.68 = 39,405.21/x
  3. Step 3: Cross multiply
    114,294.93x = 171,453.68 × 39,405.21
  4. Step 4: Simplify right side
    114,294.93x = 6,756,168,068.65
  5. Step 5: Solve for x
    x = 6,756,168,068.65/114,294.93
  6. Step 6: Final answer
    x = 59,111.70

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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.