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Finding the Fourth Proportional to 92,133.71, 138,200.64 and 25,573.91

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Solution

The fourth proportional to 92,133.71, 138,200.64 and 25,573.91 is: 38,360.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,133.71 : 138,200.64 = 25,573.91 : x
  2. Step 2: Convert to fraction form
    92,133.71/138,200.64 = 25,573.91/x
  3. Step 3: Cross multiply
    92,133.71x = 138,200.64 × 25,573.91
  4. Step 4: Simplify right side
    92,133.71x = 3,534,330,729.30
  5. Step 5: Solve for x
    x = 3,534,330,729.30/92,133.71
  6. Step 6: Final answer
    x = 38,360.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.