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Finding the Fourth Proportional to 92,632.69, 127,835.49 and 56,842.48

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Solution

The fourth proportional to 92,632.69, 127,835.49 and 56,842.48 is: 78,444.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,632.69 : 127,835.49 = 56,842.48 : x
  2. Step 2: Convert to fraction form
    92,632.69/127,835.49 = 56,842.48/x
  3. Step 3: Cross multiply
    92,632.69x = 127,835.49 × 56,842.48
  4. Step 4: Simplify right side
    92,632.69x = 7,266,486,283.62
  5. Step 5: Solve for x
    x = 7,266,486,283.62/92,632.69
  6. Step 6: Final answer
    x = 78,444.08

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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.