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Finding the Fourth Proportional to 92,503.74, 127,655.61 and 52,219.26

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Solution

The fourth proportional to 92,503.74, 127,655.61 and 52,219.26 is: 72,062.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,503.74 : 127,655.61 = 52,219.26 : x
  2. Step 2: Convert to fraction form
    92,503.74/127,655.61 = 52,219.26/x
  3. Step 3: Cross multiply
    92,503.74x = 127,655.61 × 52,219.26
  4. Step 4: Simplify right side
    92,503.74x = 6,666,081,489.05
  5. Step 5: Solve for x
    x = 6,666,081,489.05/92,503.74
  6. Step 6: Final answer
    x = 72,062.83

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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.