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Finding the Fourth Proportional to 140,337.54, 210,541.14 and 40,495.32

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Solution

The fourth proportional to 140,337.54, 210,541.14 and 40,495.32 is: 60,753.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,337.54 : 210,541.14 = 40,495.32 : x
  2. Step 2: Convert to fraction form
    140,337.54/210,541.14 = 40,495.32/x
  3. Step 3: Cross multiply
    140,337.54x = 210,541.14 × 40,495.32
  4. Step 4: Simplify right side
    140,337.54x = 8,525,930,837.46
  5. Step 5: Solve for x
    x = 8,525,930,837.46/140,337.54
  6. Step 6: Final answer
    x = 60,753.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.