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Finding the Fourth Proportional to 346,599.80, 519,918.18 and 109,960.70

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Solution

The fourth proportional to 346,599.80, 519,918.18 and 109,960.70 is: 164,946.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,599.80 : 519,918.18 = 109,960.70 : x
  2. Step 2: Convert to fraction form
    346,599.80/519,918.18 = 109,960.70/x
  3. Step 3: Cross multiply
    346,599.80x = 519,918.18 × 109,960.70
  4. Step 4: Simplify right side
    346,599.80x = 57,170,567,015.53
  5. Step 5: Solve for x
    x = 57,170,567,015.53/346,599.80
  6. Step 6: Final answer
    x = 164,946.91

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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.