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Finding the Fourth Proportional to 342,329.25, 513,495.09 and 93,011.25

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Solution

The fourth proportional to 342,329.25, 513,495.09 and 93,011.25 is: 139,517.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,329.25 : 513,495.09 = 93,011.25 : x
  2. Step 2: Convert to fraction form
    342,329.25/513,495.09 = 93,011.25/x
  3. Step 3: Cross multiply
    342,329.25x = 513,495.09 × 93,011.25
  4. Step 4: Simplify right side
    342,329.25x = 47,760,820,189.76
  5. Step 5: Solve for x
    x = 47,760,820,189.76/342,329.25
  6. Step 6: Final answer
    x = 139,517.21

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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.