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Finding the Fourth Proportional to 178,885.82, 246,868.35 and 98,316.20

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Solution

The fourth proportional to 178,885.82, 246,868.35 and 98,316.20 is: 135,679.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,885.82 : 246,868.35 = 98,316.20 : x
  2. Step 2: Convert to fraction form
    178,885.82/246,868.35 = 98,316.20/x
  3. Step 3: Cross multiply
    178,885.82x = 246,868.35 × 98,316.20
  4. Step 4: Simplify right side
    178,885.82x = 24,271,158,072.27
  5. Step 5: Solve for x
    x = 24,271,158,072.27/178,885.82
  6. Step 6: Final answer
    x = 135,679.61

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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.