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Finding the Fourth Proportional to 178,047.86, 245,706.12 and 97,480.60

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Solution

The fourth proportional to 178,047.86, 245,706.12 and 97,480.60 is: 134,523.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,047.86 : 245,706.12 = 97,480.60 : x
  2. Step 2: Convert to fraction form
    178,047.86/245,706.12 = 97,480.60/x
  3. Step 3: Cross multiply
    178,047.86x = 245,706.12 × 97,480.60
  4. Step 4: Simplify right side
    178,047.86x = 23,951,580,001.27
  5. Step 5: Solve for x
    x = 23,951,580,001.27/178,047.86
  6. Step 6: Final answer
    x = 134,523.27

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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.