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Finding the Fourth Proportional to 92,576.64, 127,768.48 and 56,760.32

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Solution

The fourth proportional to 92,576.64, 127,768.48 and 56,760.32 is: 78,337.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,576.64 : 127,768.48 = 56,760.32 : x
  2. Step 2: Convert to fraction form
    92,576.64/127,768.48 = 56,760.32/x
  3. Step 3: Cross multiply
    92,576.64x = 127,768.48 × 56,760.32
  4. Step 4: Simplify right side
    92,576.64x = 7,252,179,810.71
  5. Step 5: Solve for x
    x = 7,252,179,810.71/92,576.64
  6. Step 6: Final answer
    x = 78,337.04

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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.