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Finding the Fourth Proportional to 117,358.22, 175,959.56 and 42,468.63

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Solution

The fourth proportional to 117,358.22, 175,959.56 and 42,468.63 is: 63,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,358.22 : 175,959.56 = 42,468.63 : x
  2. Step 2: Convert to fraction form
    117,358.22/175,959.56 = 42,468.63/x
  3. Step 3: Cross multiply
    117,358.22x = 175,959.56 × 42,468.63
  4. Step 4: Simplify right side
    117,358.22x = 7,472,760,894.93
  5. Step 5: Solve for x
    x = 7,472,760,894.93/117,358.22
  6. Step 6: Final answer
    x = 63,674.80

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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.