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Finding the Fourth Proportional to 92,596.51, 127,782.74 and 51,760.63

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Solution

The fourth proportional to 92,596.51, 127,782.74 and 51,760.63 is: 71,429.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,596.51 : 127,782.74 = 51,760.63 : x
  2. Step 2: Convert to fraction form
    92,596.51/127,782.74 = 51,760.63/x
  3. Step 3: Cross multiply
    92,596.51x = 127,782.74 × 51,760.63
  4. Step 4: Simplify right side
    92,596.51x = 6,614,115,125.53
  5. Step 5: Solve for x
    x = 6,614,115,125.53/92,596.51
  6. Step 6: Final answer
    x = 71,429.42

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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.