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Finding the Fourth Proportional to 118,189.98, 176,592.78 and 114,055.74

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Solution

The fourth proportional to 118,189.98, 176,592.78 and 114,055.74 is: 170,415.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,189.98 : 176,592.78 = 114,055.74 : x
  2. Step 2: Convert to fraction form
    118,189.98/176,592.78 = 114,055.74/x
  3. Step 3: Cross multiply
    118,189.98x = 176,592.78 × 114,055.74
  4. Step 4: Simplify right side
    118,189.98x = 20,141,420,201.56
  5. Step 5: Solve for x
    x = 20,141,420,201.56/118,189.98
  6. Step 6: Final answer
    x = 170,415.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.