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Finding the Fourth Proportional to 178,537.87, 246,397.85 and 97,980.94

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Solution

The fourth proportional to 178,537.87, 246,397.85 and 97,980.94 is: 135,222.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,537.87 : 246,397.85 = 97,980.94 : x
  2. Step 2: Convert to fraction form
    178,537.87/246,397.85 = 97,980.94/x
  3. Step 3: Cross multiply
    178,537.87x = 246,397.85 × 97,980.94
  4. Step 4: Simplify right side
    178,537.87x = 24,142,293,142.50
  5. Step 5: Solve for x
    x = 24,142,293,142.50/178,537.87
  6. Step 6: Final answer
    x = 135,222.25

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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.