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Finding the Fourth Proportional to 181,886.60, 272,829.90 and 162,859.70

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Solution

The fourth proportional to 181,886.60, 272,829.90 and 162,859.70 is: 244,289.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,886.60 : 272,829.90 = 162,859.70 : x
  2. Step 2: Convert to fraction form
    181,886.60/272,829.90 = 162,859.70/x
  3. Step 3: Cross multiply
    181,886.60x = 272,829.90 × 162,859.70
  4. Step 4: Simplify right side
    181,886.60x = 44,432,995,665.03
  5. Step 5: Solve for x
    x = 44,432,995,665.03/181,886.60
  6. Step 6: Final answer
    x = 244,289.55

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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.