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Finding the Fourth Proportional to 92,168.73, 127,127.30 and 61,526.39

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Solution

The fourth proportional to 92,168.73, 127,127.30 and 61,526.39 is: 84,862.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,168.73 : 127,127.30 = 61,526.39 : x
  2. Step 2: Convert to fraction form
    92,168.73/127,127.30 = 61,526.39/x
  3. Step 3: Cross multiply
    92,168.73x = 127,127.30 × 61,526.39
  4. Step 4: Simplify right side
    92,168.73x = 7,821,683,849.63
  5. Step 5: Solve for x
    x = 7,821,683,849.63/92,168.73
  6. Step 6: Final answer
    x = 84,862.66

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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.