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Finding the Fourth Proportional to 253,069.19, 379,552.14 and 93,090.14

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Solution

The fourth proportional to 253,069.19, 379,552.14 and 93,090.14 is: 139,616.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,069.19 : 379,552.14 = 93,090.14 : x
  2. Step 2: Convert to fraction form
    253,069.19/379,552.14 = 93,090.14/x
  3. Step 3: Cross multiply
    253,069.19x = 379,552.14 × 93,090.14
  4. Step 4: Simplify right side
    253,069.19x = 35,332,559,952.14
  5. Step 5: Solve for x
    x = 35,332,559,952.14/253,069.19
  6. Step 6: Final answer
    x = 139,616.21

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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.