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Finding the Fourth Proportional to 118,015.76, 176,953.40 and 46,899.92

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Solution

The fourth proportional to 118,015.76, 176,953.40 and 46,899.92 is: 70,321.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,015.76 : 176,953.40 = 46,899.92 : x
  2. Step 2: Convert to fraction form
    118,015.76/176,953.40 = 46,899.92/x
  3. Step 3: Cross multiply
    118,015.76x = 176,953.40 × 46,899.92
  4. Step 4: Simplify right side
    118,015.76x = 8,299,100,303.73
  5. Step 5: Solve for x
    x = 8,299,100,303.73/118,015.76
  6. Step 6: Final answer
    x = 70,321.97

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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.