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Finding the Fourth Proportional to 92,156.76, 127,176.57 and 51,871.11

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Solution

The fourth proportional to 92,156.76, 127,176.57 and 51,871.11 is: 71,582.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,156.76 : 127,176.57 = 51,871.11 : x
  2. Step 2: Convert to fraction form
    92,156.76/127,176.57 = 51,871.11/x
  3. Step 3: Cross multiply
    92,156.76x = 127,176.57 × 51,871.11
  4. Step 4: Simplify right side
    92,156.76x = 6,596,789,851.89
  5. Step 5: Solve for x
    x = 6,596,789,851.89/92,156.76
  6. Step 6: Final answer
    x = 71,582.27

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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.