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Finding the Fourth Proportional to 92,576.64, 127,756.16 and 52,290.88

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Solution

The fourth proportional to 92,576.64, 127,756.16 and 52,290.88 is: 72,161.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,576.64 : 127,756.16 = 52,290.88 : x
  2. Step 2: Convert to fraction form
    92,576.64/127,756.16 = 52,290.88/x
  3. Step 3: Cross multiply
    92,576.64x = 127,756.16 × 52,290.88
  4. Step 4: Simplify right side
    92,576.64x = 6,680,482,031.82
  5. Step 5: Solve for x
    x = 6,680,482,031.82/92,576.64
  6. Step 6: Final answer
    x = 72,161.64

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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.