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Finding the Fourth Proportional to 73,200.34, 101,018.90 and 40,495.21

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Solution

The fourth proportional to 73,200.34, 101,018.90 and 40,495.21 is: 55,884.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,200.34 : 101,018.90 = 40,495.21 : x
  2. Step 2: Convert to fraction form
    73,200.34/101,018.90 = 40,495.21/x
  3. Step 3: Cross multiply
    73,200.34x = 101,018.90 × 40,495.21
  4. Step 4: Simplify right side
    73,200.34x = 4,090,781,403.46
  5. Step 5: Solve for x
    x = 4,090,781,403.46/73,200.34
  6. Step 6: Final answer
    x = 55,884.73

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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.