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Finding the Fourth Proportional to 348,892.52, 523,339.32 and 99,574.52

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Solution

The fourth proportional to 348,892.52, 523,339.32 and 99,574.52 is: 149,361.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,892.52 : 523,339.32 = 99,574.52 : x
  2. Step 2: Convert to fraction form
    348,892.52/523,339.32 = 99,574.52/x
  3. Step 3: Cross multiply
    348,892.52x = 523,339.32 × 99,574.52
  4. Step 4: Simplify right side
    348,892.52x = 52,111,261,586.13
  5. Step 5: Solve for x
    x = 52,111,261,586.13/348,892.52
  6. Step 6: Final answer
    x = 149,361.93

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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.