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Finding the Fourth Proportional to 163,989.68, 226,307.01 and 92,363

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Solution

The fourth proportional to 163,989.68, 226,307.01 and 92,363 is: 127,461.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,989.68 : 226,307.01 = 92,363 : x
  2. Step 2: Convert to fraction form
    163,989.68/226,307.01 = 92,363/x
  3. Step 3: Cross multiply
    163,989.68x = 226,307.01 × 92,363
  4. Step 4: Simplify right side
    163,989.68x = 20,902,394,364.63
  5. Step 5: Solve for x
    x = 20,902,394,364.63/163,989.68
  6. Step 6: Final answer
    x = 127,461.64

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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.