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Finding the Fourth Proportional to 118,512.10, 177,865.35 and 114,624.10

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Solution

The fourth proportional to 118,512.10, 177,865.35 and 114,624.10 is: 172,030.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,512.10 : 177,865.35 = 114,624.10 : x
  2. Step 2: Convert to fraction form
    118,512.10/177,865.35 = 114,624.10/x
  3. Step 3: Cross multiply
    118,512.10x = 177,865.35 × 114,624.10
  4. Step 4: Simplify right side
    118,512.10x = 20,387,655,664.94
  5. Step 5: Solve for x
    x = 20,387,655,664.94/118,512.10
  6. Step 6: Final answer
    x = 172,030.16

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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.