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Finding the Fourth Proportional to 232,462.70, 348,002.85 and 139,150.70

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Solution

The fourth proportional to 232,462.70, 348,002.85 and 139,150.70 is: 208,312.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,462.70 : 348,002.85 = 139,150.70 : x
  2. Step 2: Convert to fraction form
    232,462.70/348,002.85 = 139,150.70/x
  3. Step 3: Cross multiply
    232,462.70x = 348,002.85 × 139,150.70
  4. Step 4: Simplify right side
    232,462.70x = 48,424,840,179.50
  5. Step 5: Solve for x
    x = 48,424,840,179.50/232,462.70
  6. Step 6: Final answer
    x = 208,312.30

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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.