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Finding the Fourth Proportional to 117,981.80, 176,970.52 and 29,235.52

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Solution

The fourth proportional to 117,981.80, 176,970.52 and 29,235.52 is: 43,852.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,981.80 : 176,970.52 = 29,235.52 : x
  2. Step 2: Convert to fraction form
    117,981.80/176,970.52 = 29,235.52/x
  3. Step 3: Cross multiply
    117,981.80x = 176,970.52 × 29,235.52
  4. Step 4: Simplify right side
    117,981.80x = 5,173,825,176.87
  5. Step 5: Solve for x
    x = 5,173,825,176.87/117,981.80
  6. Step 6: Final answer
    x = 43,852.74

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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.