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Finding the Fourth Proportional to 92,484.88, 138,724.08 and 25,924.48

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Solution

The fourth proportional to 92,484.88, 138,724.08 and 25,924.48 is: 38,885.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,484.88 : 138,724.08 = 25,924.48 : x
  2. Step 2: Convert to fraction form
    92,484.88/138,724.08 = 25,924.48/x
  3. Step 3: Cross multiply
    92,484.88x = 138,724.08 × 25,924.48
  4. Step 4: Simplify right side
    92,484.88x = 3,596,349,637.48
  5. Step 5: Solve for x
    x = 3,596,349,637.48/92,484.88
  6. Step 6: Final answer
    x = 38,885.81

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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.