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Finding the Fourth Proportional to 348,104.64, 522,118.08 and 123,446.28

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Solution

The fourth proportional to 348,104.64, 522,118.08 and 123,446.28 is: 185,155.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,104.64 : 522,118.08 = 123,446.28 : x
  2. Step 2: Convert to fraction form
    348,104.64/522,118.08 = 123,446.28/x
  3. Step 3: Cross multiply
    348,104.64x = 522,118.08 × 123,446.28
  4. Step 4: Simplify right side
    348,104.64x = 64,453,534,696.74
  5. Step 5: Solve for x
    x = 64,453,534,696.74/348,104.64
  6. Step 6: Final answer
    x = 185,155.63

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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.