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Finding the Fourth Proportional to 92,632.82, 127,835.66 and 56,842.61

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Solution

The fourth proportional to 92,632.82, 127,835.66 and 56,842.61 is: 78,444.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,632.82 : 127,835.66 = 56,842.61 : x
  2. Step 2: Convert to fraction form
    92,632.82/127,835.66 = 56,842.61/x
  3. Step 3: Cross multiply
    92,632.82x = 127,835.66 × 56,842.61
  4. Step 4: Simplify right side
    92,632.82x = 7,266,512,068.40
  5. Step 5: Solve for x
    x = 7,266,512,068.40/92,632.82
  6. Step 6: Final answer
    x = 78,444.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.