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Finding the Fourth Proportional to 295,200.45, 442,800.68 and 126,692.10

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Solution

The fourth proportional to 295,200.45, 442,800.68 and 126,692.10 is: 190,038.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,200.45 : 442,800.68 = 126,692.10 : x
  2. Step 2: Convert to fraction form
    295,200.45/442,800.68 = 126,692.10/x
  3. Step 3: Cross multiply
    295,200.45x = 442,800.68 × 126,692.10
  4. Step 4: Simplify right side
    295,200.45x = 56,099,347,397.17
  5. Step 5: Solve for x
    x = 56,099,347,397.17/295,200.45
  6. Step 6: Final answer
    x = 190,038.15

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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.