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Finding the Fourth Proportional to 272,237.76, 375,690.96 and 151,372.80

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Solution

The fourth proportional to 272,237.76, 375,690.96 and 151,372.80 is: 208,896.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,237.76 : 375,690.96 = 151,372.80 : x
  2. Step 2: Convert to fraction form
    272,237.76/375,690.96 = 151,372.80/x
  3. Step 3: Cross multiply
    272,237.76x = 375,690.96 × 151,372.80
  4. Step 4: Simplify right side
    272,237.76x = 56,869,392,549.89
  5. Step 5: Solve for x
    x = 56,869,392,549.89/272,237.76
  6. Step 6: Final answer
    x = 208,896.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.