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Finding the Fourth Proportional to 265,288.80, 366,086.64 and 144,426.96

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Solution

The fourth proportional to 265,288.80, 366,086.64 and 144,426.96 is: 199,302.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,288.80 : 366,086.64 = 144,426.96 : x
  2. Step 2: Convert to fraction form
    265,288.80/366,086.64 = 144,426.96/x
  3. Step 3: Cross multiply
    265,288.80x = 366,086.64 × 144,426.96
  4. Step 4: Simplify right side
    265,288.80x = 52,872,780,511.81
  5. Step 5: Solve for x
    x = 52,872,780,511.81/265,288.80
  6. Step 6: Final answer
    x = 199,302.72

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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.