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Finding the Fourth Proportional to 117,295.88, 175,943.88 and 28,549.40

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Solution

The fourth proportional to 117,295.88, 175,943.88 and 28,549.40 is: 42,824.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,295.88 : 175,943.88 = 28,549.40 : x
  2. Step 2: Convert to fraction form
    117,295.88/175,943.88 = 28,549.40/x
  3. Step 3: Cross multiply
    117,295.88x = 175,943.88 × 28,549.40
  4. Step 4: Simplify right side
    117,295.88x = 5,023,092,207.67
  5. Step 5: Solve for x
    x = 5,023,092,207.67/117,295.88
  6. Step 6: Final answer
    x = 42,824.11

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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.