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Finding the Fourth Proportional to 118,587.01, 177,880.86 and 43,674.76

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Solution

The fourth proportional to 118,587.01, 177,880.86 and 43,674.76 is: 65,512.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,587.01 : 177,880.86 = 43,674.76 : x
  2. Step 2: Convert to fraction form
    118,587.01/177,880.86 = 43,674.76/x
  3. Step 3: Cross multiply
    118,587.01x = 177,880.86 × 43,674.76
  4. Step 4: Simplify right side
    118,587.01x = 7,768,903,869.09
  5. Step 5: Solve for x
    x = 7,768,903,869.09/118,587.01
  6. Step 6: Final answer
    x = 65,512.27

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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.