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Finding the Fourth Proportional to 117,295.69, 175,941.07 and 28,549.69

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Solution

The fourth proportional to 117,295.69, 175,941.07 and 28,549.69 is: 42,823.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,295.69 : 175,941.07 = 28,549.69 : x
  2. Step 2: Convert to fraction form
    117,295.69/175,941.07 = 28,549.69/x
  3. Step 3: Cross multiply
    117,295.69x = 175,941.07 × 28,549.69
  4. Step 4: Simplify right side
    117,295.69x = 5,023,063,006.77
  5. Step 5: Solve for x
    x = 5,023,063,006.77/117,295.69
  6. Step 6: Final answer
    x = 42,823.94

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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.