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Finding the Fourth Proportional to 178,722.54, 246,637.80 and 97,051.05

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Solution

The fourth proportional to 178,722.54, 246,637.80 and 97,051.05 is: 133,930.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,722.54 : 246,637.80 = 97,051.05 : x
  2. Step 2: Convert to fraction form
    178,722.54/246,637.80 = 97,051.05/x
  3. Step 3: Cross multiply
    178,722.54x = 246,637.80 × 97,051.05
  4. Step 4: Simplify right side
    178,722.54x = 23,936,457,459.69
  5. Step 5: Solve for x
    x = 23,936,457,459.69/178,722.54
  6. Step 6: Final answer
    x = 133,930.83

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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.