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Finding the Fourth Proportional to 117,740.32, 176,610.88 and 28,995.92

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Solution

The fourth proportional to 117,740.32, 176,610.88 and 28,995.92 is: 43,493.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,740.32 : 176,610.88 = 28,995.92 : x
  2. Step 2: Convert to fraction form
    117,740.32/176,610.88 = 28,995.92/x
  3. Step 3: Cross multiply
    117,740.32x = 176,610.88 × 28,995.92
  4. Step 4: Simplify right side
    117,740.32x = 5,120,994,947.61
  5. Step 5: Solve for x
    x = 5,120,994,947.61/117,740.32
  6. Step 6: Final answer
    x = 43,493.98

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1.5x scale

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.