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Finding the Fourth Proportional to 234,455.32, 323,529.19 and 137,648.98

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Solution

The fourth proportional to 234,455.32, 323,529.19 and 137,648.98 is: 189,944.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,455.32 : 323,529.19 = 137,648.98 : x
  2. Step 2: Convert to fraction form
    234,455.32/323,529.19 = 137,648.98/x
  3. Step 3: Cross multiply
    234,455.32x = 323,529.19 × 137,648.98
  4. Step 4: Simplify right side
    234,455.32x = 44,533,463,003.73
  5. Step 5: Solve for x
    x = 44,533,463,003.73/234,455.32
  6. Step 6: Final answer
    x = 189,944.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.