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Finding the Fourth Proportional to 306,050.90, 459,141.15 and 92,801.30

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Solution

The fourth proportional to 306,050.90, 459,141.15 and 92,801.30 is: 139,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,050.90 : 459,141.15 = 92,801.30 : x
  2. Step 2: Convert to fraction form
    306,050.90/459,141.15 = 92,801.30/x
  3. Step 3: Cross multiply
    306,050.90x = 459,141.15 × 92,801.30
  4. Step 4: Simplify right side
    306,050.90x = 42,608,895,603.50
  5. Step 5: Solve for x
    x = 42,608,895,603.50/306,050.90
  6. Step 6: Final answer
    x = 139,221.60

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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.