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Finding the Fourth Proportional to 178,326.78, 267,506.64 and 64,503.06

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Solution

The fourth proportional to 178,326.78, 267,506.64 and 64,503.06 is: 96,760.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,326.78 : 267,506.64 = 64,503.06 : x
  2. Step 2: Convert to fraction form
    178,326.78/267,506.64 = 64,503.06/x
  3. Step 3: Cross multiply
    178,326.78x = 267,506.64 × 64,503.06
  4. Step 4: Simplify right side
    178,326.78x = 17,254,996,850.32
  5. Step 5: Solve for x
    x = 17,254,996,850.32/178,326.78
  6. Step 6: Final answer
    x = 96,760.55

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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.