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Finding the Fourth Proportional to 92,311.40, 127,390.54 and 52,017.45

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Solution

The fourth proportional to 92,311.40, 127,390.54 and 52,017.45 is: 71,784.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,311.40 : 127,390.54 = 52,017.45 : x
  2. Step 2: Convert to fraction form
    92,311.40/127,390.54 = 52,017.45/x
  3. Step 3: Cross multiply
    92,311.40x = 127,390.54 × 52,017.45
  4. Step 4: Simplify right side
    92,311.40x = 6,626,531,044.92
  5. Step 5: Solve for x
    x = 6,626,531,044.92/92,311.40
  6. Step 6: Final answer
    x = 71,784.54

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.