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Finding the Fourth Proportional to 245,089.34, 367,671.38 and 125,080.76

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Solution

The fourth proportional to 245,089.34, 367,671.38 and 125,080.76 is: 187,640.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,089.34 : 367,671.38 = 125,080.76 : x
  2. Step 2: Convert to fraction form
    245,089.34/367,671.38 = 125,080.76/x
  3. Step 3: Cross multiply
    245,089.34x = 367,671.38 × 125,080.76
  4. Step 4: Simplify right side
    245,089.34x = 45,988,614,218.06
  5. Step 5: Solve for x
    x = 45,988,614,218.06/245,089.34
  6. Step 6: Final answer
    x = 187,640.20

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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.