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Finding the Fourth Proportional to 232,000.20, 348,000.30 and 120,025.80

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Solution

The fourth proportional to 232,000.20, 348,000.30 and 120,025.80 is: 180,038.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,000.20 : 348,000.30 = 120,025.80 : x
  2. Step 2: Convert to fraction form
    232,000.20/348,000.30 = 120,025.80/x
  3. Step 3: Cross multiply
    232,000.20x = 348,000.30 × 120,025.80
  4. Step 4: Simplify right side
    232,000.20x = 41,769,014,407.74
  5. Step 5: Solve for x
    x = 41,769,014,407.74/232,000.20
  6. Step 6: Final answer
    x = 180,038.70

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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.