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Finding the Fourth Proportional to 348,391.13, 522,674.44 and 99,073.13

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Solution

The fourth proportional to 348,391.13, 522,674.44 and 99,073.13 is: 148,634.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,391.13 : 522,674.44 = 99,073.13 : x
  2. Step 2: Convert to fraction form
    348,391.13/522,674.44 = 99,073.13/x
  3. Step 3: Cross multiply
    348,391.13x = 522,674.44 × 99,073.13
  4. Step 4: Simplify right side
    348,391.13x = 51,782,989,880.74
  5. Step 5: Solve for x
    x = 51,782,989,880.74/348,391.13
  6. Step 6: Final answer
    x = 148,634.64

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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.