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Finding the Fourth Proportional to 283,925.80, 425,735.10 and 117,730.60

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Solution

The fourth proportional to 283,925.80, 425,735.10 and 117,730.60 is: 176,532.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,925.80 : 425,735.10 = 117,730.60 : x
  2. Step 2: Convert to fraction form
    283,925.80/425,735.10 = 117,730.60/x
  3. Step 3: Cross multiply
    283,925.80x = 425,735.10 × 117,730.60
  4. Step 4: Simplify right side
    283,925.80x = 50,122,048,764.06
  5. Step 5: Solve for x
    x = 50,122,048,764.06/283,925.80
  6. Step 6: Final answer
    x = 176,532.21

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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.