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Finding the Fourth Proportional to 130,057.63, 179,494.10 and 73,472.65

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Solution

The fourth proportional to 130,057.63, 179,494.10 and 73,472.65 is: 101,400.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,057.63 : 179,494.10 = 73,472.65 : x
  2. Step 2: Convert to fraction form
    130,057.63/179,494.10 = 73,472.65/x
  3. Step 3: Cross multiply
    130,057.63x = 179,494.10 × 73,472.65
  4. Step 4: Simplify right side
    130,057.63x = 13,187,907,186.37
  5. Step 5: Solve for x
    x = 13,187,907,186.37/130,057.63
  6. Step 6: Final answer
    x = 101,400.49

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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.