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Finding the Fourth Proportional to 118,460.91, 177,719.46 and 35,352.75

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Solution

The fourth proportional to 118,460.91, 177,719.46 and 35,352.75 is: 53,037.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,460.91 : 177,719.46 = 35,352.75 : x
  2. Step 2: Convert to fraction form
    118,460.91/177,719.46 = 35,352.75/x
  3. Step 3: Cross multiply
    118,460.91x = 177,719.46 × 35,352.75
  4. Step 4: Simplify right side
    118,460.91x = 6,282,871,639.52
  5. Step 5: Solve for x
    x = 6,282,871,639.52/118,460.91
  6. Step 6: Final answer
    x = 53,037.51

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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.