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Finding the Fourth Proportional to 117,640.17, 176,460.84 and 28,893.69

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Solution

The fourth proportional to 117,640.17, 176,460.84 and 28,893.69 is: 43,340.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,640.17 : 176,460.84 = 28,893.69 : x
  2. Step 2: Convert to fraction form
    117,640.17/176,460.84 = 28,893.69/x
  3. Step 3: Cross multiply
    117,640.17x = 176,460.84 × 28,893.69
  4. Step 4: Simplify right side
    117,640.17x = 5,098,604,808.10
  5. Step 5: Solve for x
    x = 5,098,604,808.10/117,640.17
  6. Step 6: Final answer
    x = 43,340.68

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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.