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Finding the Fourth Proportional to 181,885.70, 272,828.55 and 168,763.70

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Solution

The fourth proportional to 181,885.70, 272,828.55 and 168,763.70 is: 253,145.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,885.70 : 272,828.55 = 168,763.70 : x
  2. Step 2: Convert to fraction form
    181,885.70/272,828.55 = 168,763.70/x
  3. Step 3: Cross multiply
    181,885.70x = 272,828.55 × 168,763.70
  4. Step 4: Simplify right side
    181,885.70x = 46,043,555,563.64
  5. Step 5: Solve for x
    x = 46,043,555,563.64/181,885.70
  6. Step 6: Final answer
    x = 253,145.55

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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.