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Finding the Fourth Proportional to 254,974.72, 382,636.32 and 88,762.72

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Solution

The fourth proportional to 254,974.72, 382,636.32 and 88,762.72 is: 133,204.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,974.72 : 382,636.32 = 88,762.72 : x
  2. Step 2: Convert to fraction form
    254,974.72/382,636.32 = 88,762.72/x
  3. Step 3: Cross multiply
    254,974.72x = 382,636.32 × 88,762.72
  4. Step 4: Simplify right side
    254,974.72x = 33,963,840,533.99
  5. Step 5: Solve for x
    x = 33,963,840,533.99/254,974.72
  6. Step 6: Final answer
    x = 133,204.74

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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.