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Finding the Fourth Proportional to 162,352.30, 243,200.40 and 92,149.60

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Solution

The fourth proportional to 162,352.30, 243,200.40 and 92,149.60 is: 138,038.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,352.30 : 243,200.40 = 92,149.60 : x
  2. Step 2: Convert to fraction form
    162,352.30/243,200.40 = 92,149.60/x
  3. Step 3: Cross multiply
    162,352.30x = 243,200.40 × 92,149.60
  4. Step 4: Simplify right side
    162,352.30x = 22,410,819,579.84
  5. Step 5: Solve for x
    x = 22,410,819,579.84/162,352.30
  6. Step 6: Final answer
    x = 138,038.20

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1.5x scale

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.