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Finding the Fourth Proportional to 116,666.80, 175,028.08 and 37,781.12

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Solution

The fourth proportional to 116,666.80, 175,028.08 and 37,781.12 is: 56,680.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,666.80 : 175,028.08 = 37,781.12 : x
  2. Step 2: Convert to fraction form
    116,666.80/175,028.08 = 37,781.12/x
  3. Step 3: Cross multiply
    116,666.80x = 175,028.08 × 37,781.12
  4. Step 4: Simplify right side
    116,666.80x = 6,612,756,893.85
  5. Step 5: Solve for x
    x = 6,612,756,893.85/116,666.80
  6. Step 6: Final answer
    x = 56,680.71

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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.