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Finding the Fourth Proportional to 180,009.63, 270,029.84 and 46,889.91

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Solution

The fourth proportional to 180,009.63, 270,029.84 and 46,889.91 is: 70,338.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,009.63 : 270,029.84 = 46,889.91 : x
  2. Step 2: Convert to fraction form
    180,009.63/270,029.84 = 46,889.91/x
  3. Step 3: Cross multiply
    180,009.63x = 270,029.84 × 46,889.91
  4. Step 4: Simplify right side
    180,009.63x = 12,661,674,660.46
  5. Step 5: Solve for x
    x = 12,661,674,660.46/180,009.63
  6. Step 6: Final answer
    x = 70,338.87

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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.