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Finding the Fourth Proportional to 92,634.47, 127,821.05 and 53,880.88

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Solution

The fourth proportional to 92,634.47, 127,821.05 and 53,880.88 is: 74,347.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,634.47 : 127,821.05 = 53,880.88 : x
  2. Step 2: Convert to fraction form
    92,634.47/127,821.05 = 53,880.88/x
  3. Step 3: Cross multiply
    92,634.47x = 127,821.05 × 53,880.88
  4. Step 4: Simplify right side
    92,634.47x = 6,887,110,067.57
  5. Step 5: Solve for x
    x = 6,887,110,067.57/92,634.47
  6. Step 6: Final answer
    x = 74,347.16

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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.