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Finding the Fourth Proportional to 118,263.88, 177,290.36 and 43,366.56

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Solution

The fourth proportional to 118,263.88, 177,290.36 and 43,366.56 is: 65,011.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,263.88 : 177,290.36 = 43,366.56 : x
  2. Step 2: Convert to fraction form
    118,263.88/177,290.36 = 43,366.56/x
  3. Step 3: Cross multiply
    118,263.88x = 177,290.36 × 43,366.56
  4. Step 4: Simplify right side
    118,263.88x = 7,688,473,034.36
  5. Step 5: Solve for x
    x = 7,688,473,034.36/118,263.88
  6. Step 6: Final answer
    x = 65,011.17

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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.