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Finding the Fourth Proportional to 159,658.52, 239,009.58 and 153,980.73

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Solution

The fourth proportional to 159,658.52, 239,009.58 and 153,980.73 is: 230,509.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,658.52 : 239,009.58 = 153,980.73 : x
  2. Step 2: Convert to fraction form
    159,658.52/239,009.58 = 153,980.73/x
  3. Step 3: Cross multiply
    159,658.52x = 239,009.58 × 153,980.73
  4. Step 4: Simplify right side
    159,658.52x = 36,802,869,605.39
  5. Step 5: Solve for x
    x = 36,802,869,605.39/159,658.52
  6. Step 6: Final answer
    x = 230,509.91

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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.