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Finding the Fourth Proportional to 178,232.58, 245,960.82 and 97,665.12

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Solution

The fourth proportional to 178,232.58, 245,960.82 and 97,665.12 is: 134,777.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,232.58 : 245,960.82 = 97,665.12 : x
  2. Step 2: Convert to fraction form
    178,232.58/245,960.82 = 97,665.12/x
  3. Step 3: Cross multiply
    178,232.58x = 245,960.82 × 97,665.12
  4. Step 4: Simplify right side
    178,232.58x = 24,021,793,000.60
  5. Step 5: Solve for x
    x = 24,021,793,000.60/178,232.58
  6. Step 6: Final answer
    x = 134,777.79

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1.5x scale

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.