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Finding the Fourth Proportional to 265,908.86, 366,956.58 and 145,050.70

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Solution

The fourth proportional to 265,908.86, 366,956.58 and 145,050.70 is: 200,171.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,908.86 : 366,956.58 = 145,050.70 : x
  2. Step 2: Convert to fraction form
    265,908.86/366,956.58 = 145,050.70/x
  3. Step 3: Cross multiply
    265,908.86x = 366,956.58 × 145,050.70
  4. Step 4: Simplify right side
    265,908.86x = 53,227,308,798.61
  5. Step 5: Solve for x
    x = 53,227,308,798.61/265,908.86
  6. Step 6: Final answer
    x = 200,171.25

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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.