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Finding the Fourth Proportional to 118,666.69, 178,000.17 and 43,754.38

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Solution

The fourth proportional to 118,666.69, 178,000.17 and 43,754.38 is: 65,631.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,666.69 : 178,000.17 = 43,754.38 : x
  2. Step 2: Convert to fraction form
    118,666.69/178,000.17 = 43,754.38/x
  3. Step 3: Cross multiply
    118,666.69x = 178,000.17 × 43,754.38
  4. Step 4: Simplify right side
    118,666.69x = 7,788,287,078.24
  5. Step 5: Solve for x
    x = 7,788,287,078.24/118,666.69
  6. Step 6: Final answer
    x = 65,631.62

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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.