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Finding the Fourth Proportional to 118,102.60, 176,968.92 and 46,986.84

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Solution

The fourth proportional to 118,102.60, 176,968.92 and 46,986.84 is: 70,406.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,102.60 : 176,968.92 = 46,986.84 : x
  2. Step 2: Convert to fraction form
    118,102.60/176,968.92 = 46,986.84/x
  3. Step 3: Cross multiply
    118,102.60x = 176,968.92 × 46,986.84
  4. Step 4: Simplify right side
    118,102.60x = 8,315,210,329.01
  5. Step 5: Solve for x
    x = 8,315,210,329.01/118,102.60
  6. Step 6: Final answer
    x = 70,406.67

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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.