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Finding the Fourth Proportional to 127,827.01, 176,365.84 and 82,506.90

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Solution

The fourth proportional to 127,827.01, 176,365.84 and 82,506.90 is: 113,836.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,827.01 : 176,365.84 = 82,506.90 : x
  2. Step 2: Convert to fraction form
    127,827.01/176,365.84 = 82,506.90/x
  3. Step 3: Cross multiply
    127,827.01x = 176,365.84 × 82,506.90
  4. Step 4: Simplify right side
    127,827.01x = 14,551,398,311.76
  5. Step 5: Solve for x
    x = 14,551,398,311.76/127,827.01
  6. Step 6: Final answer
    x = 113,836.65

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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.