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Finding the Fourth Proportional to 92,395.61, 138,602.17 and 25,835.74

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Solution

The fourth proportional to 92,395.61, 138,602.17 and 25,835.74 is: 38,756.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,395.61 : 138,602.17 = 25,835.74 : x
  2. Step 2: Convert to fraction form
    92,395.61/138,602.17 = 25,835.74/x
  3. Step 3: Cross multiply
    92,395.61x = 138,602.17 × 25,835.74
  4. Step 4: Simplify right side
    92,395.61x = 3,580,889,670.84
  5. Step 5: Solve for x
    x = 3,580,889,670.84/92,395.61
  6. Step 6: Final answer
    x = 38,756.06

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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.