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Finding the Fourth Proportional to 118,552.71, 177,954.39 and 115,875.51

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Solution

The fourth proportional to 118,552.71, 177,954.39 and 115,875.51 is: 173,935.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,552.71 : 177,954.39 = 115,875.51 : x
  2. Step 2: Convert to fraction form
    118,552.71/177,954.39 = 115,875.51/x
  3. Step 3: Cross multiply
    118,552.71x = 177,954.39 × 115,875.51
  4. Step 4: Simplify right side
    118,552.71x = 20,620,555,697.99
  5. Step 5: Solve for x
    x = 20,620,555,697.99/118,552.71
  6. Step 6: Final answer
    x = 173,935.76

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1.5x scale

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.