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Finding the Fourth Proportional to 178,353.90, 246,130.40 and 101,883.12

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Solution

The fourth proportional to 178,353.90, 246,130.40 and 101,883.12 is: 140,599.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,353.90 : 246,130.40 = 101,883.12 : x
  2. Step 2: Convert to fraction form
    178,353.90/246,130.40 = 101,883.12/x
  3. Step 3: Cross multiply
    178,353.90x = 246,130.40 × 101,883.12
  4. Step 4: Simplify right side
    178,353.90x = 25,076,531,837.47
  5. Step 5: Solve for x
    x = 25,076,531,837.47/178,353.90
  6. Step 6: Final answer
    x = 140,599.85

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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.