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Finding the Fourth Proportional to 117,889.40, 176,834.52 and 61,746.08

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Solution

The fourth proportional to 117,889.40, 176,834.52 and 61,746.08 is: 92,619.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,889.40 : 176,834.52 = 61,746.08 : x
  2. Step 2: Convert to fraction form
    117,889.40/176,834.52 = 61,746.08/x
  3. Step 3: Cross multiply
    117,889.40x = 176,834.52 × 61,746.08
  4. Step 4: Simplify right side
    117,889.40x = 10,918,838,418.68
  5. Step 5: Solve for x
    x = 10,918,838,418.68/117,889.40
  6. Step 6: Final answer
    x = 92,619.34

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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.