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Finding the Fourth Proportional to 118,018.75, 177,109.89 and 46,934.11

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Solution

The fourth proportional to 118,018.75, 177,109.89 and 46,934.11 is: 70,433.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,018.75 : 177,109.89 = 46,934.11 : x
  2. Step 2: Convert to fraction form
    118,018.75/177,109.89 = 46,934.11/x
  3. Step 3: Cross multiply
    118,018.75x = 177,109.89 × 46,934.11
  4. Step 4: Simplify right side
    118,018.75x = 8,312,495,059.35
  5. Step 5: Solve for x
    x = 8,312,495,059.35/118,018.75
  6. Step 6: Final answer
    x = 70,433.68

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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.