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Finding the Fourth Proportional to 92,615.90, 127,809.95 and 54,367.89

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Solution

The fourth proportional to 92,615.90, 127,809.95 and 54,367.89 is: 75,027.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,615.90 : 127,809.95 = 54,367.89 : x
  2. Step 2: Convert to fraction form
    92,615.90/127,809.95 = 54,367.89/x
  3. Step 3: Cross multiply
    92,615.90x = 127,809.95 × 54,367.89
  4. Step 4: Simplify right side
    92,615.90x = 6,948,757,030.67
  5. Step 5: Solve for x
    x = 6,948,757,030.67/92,615.90
  6. Step 6: Final answer
    x = 75,027.69

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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.