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Finding the Fourth Proportional to 245,430.64, 368,104.96 and 67,955.59

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Solution

The fourth proportional to 245,430.64, 368,104.96 and 67,955.59 is: 101,922.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,430.64 : 368,104.96 = 67,955.59 : x
  2. Step 2: Convert to fraction form
    245,430.64/368,104.96 = 67,955.59/x
  3. Step 3: Cross multiply
    245,430.64x = 368,104.96 × 67,955.59
  4. Step 4: Simplify right side
    245,430.64x = 25,014,789,901.55
  5. Step 5: Solve for x
    x = 25,014,789,901.55/245,430.64
  6. Step 6: Final answer
    x = 101,922.03

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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.