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Finding the Fourth Proportional to 343,277.20, 514,907.70 and 93,959.20

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Solution

The fourth proportional to 343,277.20, 514,907.70 and 93,959.20 is: 140,936.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,277.20 : 514,907.70 = 93,959.20 : x
  2. Step 2: Convert to fraction form
    343,277.20/514,907.70 = 93,959.20/x
  3. Step 3: Cross multiply
    343,277.20x = 514,907.70 × 93,959.20
  4. Step 4: Simplify right side
    343,277.20x = 48,380,315,565.84
  5. Step 5: Solve for x
    x = 48,380,315,565.84/343,277.20
  6. Step 6: Final answer
    x = 140,936.58

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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.