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Finding the Fourth Proportional to 92,668.63, 127,881.32 and 52,380.98

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Solution

The fourth proportional to 92,668.63, 127,881.32 and 52,380.98 is: 72,284.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,668.63 : 127,881.32 = 52,380.98 : x
  2. Step 2: Convert to fraction form
    92,668.63/127,881.32 = 52,380.98/x
  3. Step 3: Cross multiply
    92,668.63x = 127,881.32 × 52,380.98
  4. Step 4: Simplify right side
    92,668.63x = 6,698,548,865.29
  5. Step 5: Solve for x
    x = 6,698,548,865.29/92,668.63
  6. Step 6: Final answer
    x = 72,284.97

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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.