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Finding the Fourth Proportional to 118,473.44, 177,707.57 and 38,513.98

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Solution

The fourth proportional to 118,473.44, 177,707.57 and 38,513.98 is: 57,770.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,473.44 : 177,707.57 = 38,513.98 : x
  2. Step 2: Convert to fraction form
    118,473.44/177,707.57 = 38,513.98/x
  3. Step 3: Cross multiply
    118,473.44x = 177,707.57 × 38,513.98
  4. Step 4: Simplify right side
    118,473.44x = 6,844,226,043.03
  5. Step 5: Solve for x
    x = 6,844,226,043.03/118,473.44
  6. Step 6: Final answer
    x = 57,770.13

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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.