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Finding the Fourth Proportional to 343,237.20, 514,800.72 and 93,860.88

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Solution

The fourth proportional to 343,237.20, 514,800.72 and 93,860.88 is: 140,776.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,237.20 : 514,800.72 = 93,860.88 : x
  2. Step 2: Convert to fraction form
    343,237.20/514,800.72 = 93,860.88/x
  3. Step 3: Cross multiply
    343,237.20x = 514,800.72 × 93,860.88
  4. Step 4: Simplify right side
    343,237.20x = 48,319,648,603.83
  5. Step 5: Solve for x
    x = 48,319,648,603.83/343,237.20
  6. Step 6: Final answer
    x = 140,776.26

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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.