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Finding the Fourth Proportional to 117,189.92, 175,786.00 and 28,444.23

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Solution

The fourth proportional to 117,189.92, 175,786.00 and 28,444.23 is: 42,666.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,189.92 : 175,786.00 = 28,444.23 : x
  2. Step 2: Convert to fraction form
    117,189.92/175,786.00 = 28,444.23/x
  3. Step 3: Cross multiply
    117,189.92x = 175,786.00 × 28,444.23
  4. Step 4: Simplify right side
    117,189.92x = 5,000,097,343.67
  5. Step 5: Solve for x
    x = 5,000,097,343.67/117,189.92
  6. Step 6: Final answer
    x = 42,666.62

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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.