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Finding the Fourth Proportional to 92,668.93, 127,869.74 and 51,832.85

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Solution

The fourth proportional to 92,668.93, 127,869.74 and 51,832.85 is: 71,521.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,668.93 : 127,869.74 = 51,832.85 : x
  2. Step 2: Convert to fraction form
    92,668.93/127,869.74 = 51,832.85/x
  3. Step 3: Cross multiply
    92,668.93x = 127,869.74 × 51,832.85
  4. Step 4: Simplify right side
    92,668.93x = 6,627,852,348.82
  5. Step 5: Solve for x
    x = 6,627,852,348.82/92,668.93
  6. Step 6: Final answer
    x = 71,521.84

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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.