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Finding the Fourth Proportional to 92,360.70, 127,455.21 and 52,074.11

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Solution

The fourth proportional to 92,360.70, 127,455.21 and 52,074.11 is: 71,860.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,360.70 : 127,455.21 = 52,074.11 : x
  2. Step 2: Convert to fraction form
    92,360.70/127,455.21 = 52,074.11/x
  3. Step 3: Cross multiply
    92,360.70x = 127,455.21 × 52,074.11
  4. Step 4: Simplify right side
    92,360.70x = 6,637,115,988.34
  5. Step 5: Solve for x
    x = 6,637,115,988.34/92,360.70
  6. Step 6: Final answer
    x = 71,860.82

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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.