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Finding the Fourth Proportional to 92,130.56, 127,130.37 and 51,843.62

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Solution

The fourth proportional to 92,130.56, 127,130.37 and 51,843.62 is: 71,538.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,130.56 : 127,130.37 = 51,843.62 : x
  2. Step 2: Convert to fraction form
    92,130.56/127,130.37 = 51,843.62/x
  3. Step 3: Cross multiply
    92,130.56x = 127,130.37 × 51,843.62
  4. Step 4: Simplify right side
    92,130.56x = 6,590,898,592.74
  5. Step 5: Solve for x
    x = 6,590,898,592.74/92,130.56
  6. Step 6: Final answer
    x = 71,538.68

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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.