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Finding the Fourth Proportional to 118,709.90, 178,064.17 and 29,963.04

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Solution

The fourth proportional to 118,709.90, 178,064.17 and 29,963.04 is: 44,944.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,709.90 : 178,064.17 = 29,963.04 : x
  2. Step 2: Convert to fraction form
    118,709.90/178,064.17 = 29,963.04/x
  3. Step 3: Cross multiply
    118,709.90x = 178,064.17 × 29,963.04
  4. Step 4: Simplify right side
    118,709.90x = 5,335,343,774.98
  5. Step 5: Solve for x
    x = 5,335,343,774.98/118,709.90
  6. Step 6: Final answer
    x = 44,944.39

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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.