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Finding the Fourth Proportional to 92,394.01, 138,561.84 and 58,636.45

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Solution

The fourth proportional to 92,394.01, 138,561.84 and 58,636.45 is: 87,936.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,394.01 : 138,561.84 = 58,636.45 : x
  2. Step 2: Convert to fraction form
    92,394.01/138,561.84 = 58,636.45/x
  3. Step 3: Cross multiply
    92,394.01x = 138,561.84 × 58,636.45
  4. Step 4: Simplify right side
    92,394.01x = 8,124,774,403.07
  5. Step 5: Solve for x
    x = 8,124,774,403.07/92,394.01
  6. Step 6: Final answer
    x = 87,936.16

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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.