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Finding the Fourth Proportional to 92,589.42, 127,773 and 51,753.49

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Solution

The fourth proportional to 92,589.42, 127,773 and 51,753.49 is: 71,419.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,589.42 : 127,773 = 51,753.49 : x
  2. Step 2: Convert to fraction form
    92,589.42/127,773 = 51,753.49/x
  3. Step 3: Cross multiply
    92,589.42x = 127,773 × 51,753.49
  4. Step 4: Simplify right side
    92,589.42x = 6,612,698,677.77
  5. Step 5: Solve for x
    x = 6,612,698,677.77/92,589.42
  6. Step 6: Final answer
    x = 71,419.59

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1.5x scale

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.