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Finding the Fourth Proportional to 92,215.67, 127,256.36 and 51,929.91

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Solution

The fourth proportional to 92,215.67, 127,256.36 and 51,929.91 is: 71,662.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,215.67 : 127,256.36 = 51,929.91 : x
  2. Step 2: Convert to fraction form
    92,215.67/127,256.36 = 51,929.91/x
  3. Step 3: Cross multiply
    92,215.67x = 127,256.36 × 51,929.91
  4. Step 4: Simplify right side
    92,215.67x = 6,608,411,062.08
  5. Step 5: Solve for x
    x = 6,608,411,062.08/92,215.67
  6. Step 6: Final answer
    x = 71,662.56

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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.