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Finding the Fourth Proportional to 181,878.40, 272,817.60 and 152,353.90

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Solution

The fourth proportional to 181,878.40, 272,817.60 and 152,353.90 is: 228,530.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,878.40 : 272,817.60 = 152,353.90 : x
  2. Step 2: Convert to fraction form
    181,878.40/272,817.60 = 152,353.90/x
  3. Step 3: Cross multiply
    181,878.40x = 272,817.60 × 152,353.90
  4. Step 4: Simplify right side
    181,878.40x = 41,564,825,348.64
  5. Step 5: Solve for x
    x = 41,564,825,348.64/181,878.40
  6. Step 6: Final answer
    x = 228,530.85

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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.