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Finding the Fourth Proportional to 118,411.66, 177,497.79 and 50,987.67

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Solution

The fourth proportional to 118,411.66, 177,497.79 and 50,987.67 is: 76,429.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,411.66 : 177,497.79 = 50,987.67 : x
  2. Step 2: Convert to fraction form
    118,411.66/177,497.79 = 50,987.67/x
  3. Step 3: Cross multiply
    118,411.66x = 177,497.79 × 50,987.67
  4. Step 4: Simplify right side
    118,411.66x = 9,050,198,742.25
  5. Step 5: Solve for x
    x = 9,050,198,742.25/118,411.66
  6. Step 6: Final answer
    x = 76,429.96

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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.