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Finding the Fourth Proportional to 164,005.61, 245,109.84 and 119,725.61

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Solution

The fourth proportional to 164,005.61, 245,109.84 and 119,725.61 is: 178,932.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,005.61 : 245,109.84 = 119,725.61 : x
  2. Step 2: Convert to fraction form
    164,005.61/245,109.84 = 119,725.61/x
  3. Step 3: Cross multiply
    164,005.61x = 245,109.84 × 119,725.61
  4. Step 4: Simplify right side
    164,005.61x = 29,345,923,436.48
  5. Step 5: Solve for x
    x = 29,345,923,436.48/164,005.61
  6. Step 6: Final answer
    x = 178,932.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.