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Finding the Fourth Proportional to 178,598.53, 267,897.80 and 53,939.53

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Solution

The fourth proportional to 178,598.53, 267,897.80 and 53,939.53 is: 80,909.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,598.53 : 267,897.80 = 53,939.53 : x
  2. Step 2: Convert to fraction form
    178,598.53/267,897.80 = 53,939.53/x
  3. Step 3: Cross multiply
    178,598.53x = 267,897.80 × 53,939.53
  4. Step 4: Simplify right side
    178,598.53x = 14,450,281,889.76
  5. Step 5: Solve for x
    x = 14,450,281,889.76/178,598.53
  6. Step 6: Final answer
    x = 80,909.30

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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.