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Finding the Fourth Proportional to 346,718.88, 520,149.60 and 110,056.32

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Solution

The fourth proportional to 346,718.88, 520,149.60 and 110,056.32 is: 165,107.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,718.88 : 520,149.60 = 110,056.32 : x
  2. Step 2: Convert to fraction form
    346,718.88/520,149.60 = 110,056.32/x
  3. Step 3: Cross multiply
    346,718.88x = 520,149.60 × 110,056.32
  4. Step 4: Simplify right side
    346,718.88x = 57,245,750,825.47
  5. Step 5: Solve for x
    x = 57,245,750,825.47/346,718.88
  6. Step 6: Final answer
    x = 165,107.11

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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.