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Finding the Fourth Proportional to 118,010.21, 176,977.04 and 39,103.25

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Solution

The fourth proportional to 118,010.21, 176,977.04 and 39,103.25 is: 58,642.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,010.21 : 176,977.04 = 39,103.25 : x
  2. Step 2: Convert to fraction form
    118,010.21/176,977.04 = 39,103.25/x
  3. Step 3: Cross multiply
    118,010.21x = 176,977.04 × 39,103.25
  4. Step 4: Simplify right side
    118,010.21x = 6,920,377,243.86
  5. Step 5: Solve for x
    x = 6,920,377,243.86/118,010.21
  6. Step 6: Final answer
    x = 58,642.19

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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.