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Finding the Fourth Proportional to 178,322.76, 267,500.64 and 64,499.06

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Solution

The fourth proportional to 178,322.76, 267,500.64 and 64,499.06 is: 96,754.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,322.76 : 267,500.64 = 64,499.06 : x
  2. Step 2: Convert to fraction form
    178,322.76/267,500.64 = 64,499.06/x
  3. Step 3: Cross multiply
    178,322.76x = 267,500.64 × 64,499.06
  4. Step 4: Simplify right side
    178,322.76x = 17,253,539,829.40
  5. Step 5: Solve for x
    x = 17,253,539,829.40/178,322.76
  6. Step 6: Final answer
    x = 96,754.56

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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.