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Finding the Fourth Proportional to 92,160.81, 127,185.98 and 51,877.16

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Solution

The fourth proportional to 92,160.81, 127,185.98 and 51,877.16 is: 71,592.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,160.81 : 127,185.98 = 51,877.16 : x
  2. Step 2: Convert to fraction form
    92,160.81/127,185.98 = 51,877.16/x
  3. Step 3: Cross multiply
    92,160.81x = 127,185.98 × 51,877.16
  4. Step 4: Simplify right side
    92,160.81x = 6,598,046,538.90
  5. Step 5: Solve for x
    x = 6,598,046,538.90/92,160.81
  6. Step 6: Final answer
    x = 71,592.76

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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.