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Finding the Fourth Proportional to 92,194.47, 138,260.91 and 36,020.01

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Solution

The fourth proportional to 92,194.47, 138,260.91 and 36,020.01 is: 54,017.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,194.47 : 138,260.91 = 36,020.01 : x
  2. Step 2: Convert to fraction form
    92,194.47/138,260.91 = 36,020.01/x
  3. Step 3: Cross multiply
    92,194.47x = 138,260.91 × 36,020.01
  4. Step 4: Simplify right side
    92,194.47x = 4,980,159,360.81
  5. Step 5: Solve for x
    x = 4,980,159,360.81/92,194.47
  6. Step 6: Final answer
    x = 54,017.98

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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.