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Finding the Fourth Proportional to 117,953.16, 176,782.19 and 92,894.24

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Solution

The fourth proportional to 117,953.16, 176,782.19 and 92,894.24 is: 139,225.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,953.16 : 176,782.19 = 92,894.24 : x
  2. Step 2: Convert to fraction form
    117,953.16/176,782.19 = 92,894.24/x
  3. Step 3: Cross multiply
    117,953.16x = 176,782.19 × 92,894.24
  4. Step 4: Simplify right side
    117,953.16x = 16,422,046,721.11
  5. Step 5: Solve for x
    x = 16,422,046,721.11/117,953.16
  6. Step 6: Final answer
    x = 139,225.16

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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.