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Finding the Fourth Proportional to 254,468.10, 381,459.15 and 94,501.20

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Solution

The fourth proportional to 254,468.10, 381,459.15 and 94,501.20 is: 141,661.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,468.10 : 381,459.15 = 94,501.20 : x
  2. Step 2: Convert to fraction form
    254,468.10/381,459.15 = 94,501.20/x
  3. Step 3: Cross multiply
    254,468.10x = 381,459.15 × 94,501.20
  4. Step 4: Simplify right side
    254,468.10x = 36,048,347,425.98
  5. Step 5: Solve for x
    x = 36,048,347,425.98/254,468.10
  6. Step 6: Final answer
    x = 141,661.56

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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.