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Finding the Fourth Proportional to 104,758.54, 144,735.92 and 73,068.91

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Solution

The fourth proportional to 104,758.54, 144,735.92 and 73,068.91 is: 100,953.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,758.54 : 144,735.92 = 73,068.91 : x
  2. Step 2: Convert to fraction form
    104,758.54/144,735.92 = 73,068.91/x
  3. Step 3: Cross multiply
    104,758.54x = 144,735.92 × 73,068.91
  4. Step 4: Simplify right side
    104,758.54x = 10,575,695,912.25
  5. Step 5: Solve for x
    x = 10,575,695,912.25/104,758.54
  6. Step 6: Final answer
    x = 100,953.07

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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.