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Finding the Fourth Proportional to 178,420.59, 246,223.80 and 97,843.28

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Solution

The fourth proportional to 178,420.59, 246,223.80 and 97,843.28 is: 135,025.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,420.59 : 246,223.80 = 97,843.28 : x
  2. Step 2: Convert to fraction form
    178,420.59/246,223.80 = 97,843.28/x
  3. Step 3: Cross multiply
    178,420.59x = 246,223.80 × 97,843.28
  4. Step 4: Simplify right side
    178,420.59x = 24,091,342,974.95
  5. Step 5: Solve for x
    x = 24,091,342,974.95/178,420.59
  6. Step 6: Final answer
    x = 135,025.58

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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.