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Finding the Fourth Proportional to 92,160.17, 127,155.57 and 51,871.58

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Solution

The fourth proportional to 92,160.17, 127,155.57 and 51,871.58 is: 71,568.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,160.17 : 127,155.57 = 51,871.58 : x
  2. Step 2: Convert to fraction form
    92,160.17/127,155.57 = 51,871.58/x
  3. Step 3: Cross multiply
    92,160.17x = 127,155.57 × 51,871.58
  4. Step 4: Simplify right side
    92,160.17x = 6,595,760,321.70
  5. Step 5: Solve for x
    x = 6,595,760,321.70/92,160.17
  6. Step 6: Final answer
    x = 71,568.45

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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.