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Finding the Fourth Proportional to 239,661.34, 330,673.68 and 146,503.54

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Solution

The fourth proportional to 239,661.34, 330,673.68 and 146,503.54 is: 202,138.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,661.34 : 330,673.68 = 146,503.54 : x
  2. Step 2: Convert to fraction form
    239,661.34/330,673.68 = 146,503.54/x
  3. Step 3: Cross multiply
    239,661.34x = 330,673.68 × 146,503.54
  4. Step 4: Simplify right side
    239,661.34x = 48,444,864,704.83
  5. Step 5: Solve for x
    x = 48,444,864,704.83/239,661.34
  6. Step 6: Final answer
    x = 202,138.84

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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.