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Finding the Fourth Proportional to 245,159.34, 367,729.02 and 67,661.79

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Solution

The fourth proportional to 245,159.34, 367,729.02 and 67,661.79 is: 101,489.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,159.34 : 367,729.02 = 67,661.79 : x
  2. Step 2: Convert to fraction form
    245,159.34/367,729.02 = 67,661.79/x
  3. Step 3: Cross multiply
    245,159.34x = 367,729.02 × 67,661.79
  4. Step 4: Simplify right side
    245,159.34x = 24,881,203,728.15
  5. Step 5: Solve for x
    x = 24,881,203,728.15/245,159.34
  6. Step 6: Final answer
    x = 101,489.93

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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.