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Finding the Fourth Proportional to 301,052.16, 451,595.52 and 90,668.16

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Solution

The fourth proportional to 301,052.16, 451,595.52 and 90,668.16 is: 136,007.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,052.16 : 451,595.52 = 90,668.16 : x
  2. Step 2: Convert to fraction form
    301,052.16/451,595.52 = 90,668.16/x
  3. Step 3: Cross multiply
    301,052.16x = 451,595.52 × 90,668.16
  4. Step 4: Simplify right side
    301,052.16x = 40,945,334,862.64
  5. Step 5: Solve for x
    x = 40,945,334,862.64/301,052.16
  6. Step 6: Final answer
    x = 136,007.44

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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.