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Finding the Fourth Proportional to 262,204.84, 393,307.62 and 112,348

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Solution

The fourth proportional to 262,204.84, 393,307.62 and 112,348 is: 168,522.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,204.84 : 393,307.62 = 112,348 : x
  2. Step 2: Convert to fraction form
    262,204.84/393,307.62 = 112,348/x
  3. Step 3: Cross multiply
    262,204.84x = 393,307.62 × 112,348
  4. Step 4: Simplify right side
    262,204.84x = 44,187,324,491.76
  5. Step 5: Solve for x
    x = 44,187,324,491.76/262,204.84
  6. Step 6: Final answer
    x = 168,522.15

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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.