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Finding the Fourth Proportional to 117,300.63, 175,933.13 and 38,413.11

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Solution

The fourth proportional to 117,300.63, 175,933.13 and 38,413.11 is: 57,613.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,300.63 : 175,933.13 = 38,413.11 : x
  2. Step 2: Convert to fraction form
    117,300.63/175,933.13 = 38,413.11/x
  3. Step 3: Cross multiply
    117,300.63x = 175,933.13 × 38,413.11
  4. Step 4: Simplify right side
    117,300.63x = 6,758,138,483.27
  5. Step 5: Solve for x
    x = 6,758,138,483.27/117,300.63
  6. Step 6: Final answer
    x = 57,613.83

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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.