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Finding the Fourth Proportional to 94,234.63, 129,938.23 and 88,255.92

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Solution

The fourth proportional to 94,234.63, 129,938.23 and 88,255.92 is: 121,694.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,234.63 : 129,938.23 = 88,255.92 : x
  2. Step 2: Convert to fraction form
    94,234.63/129,938.23 = 88,255.92/x
  3. Step 3: Cross multiply
    94,234.63x = 129,938.23 × 88,255.92
  4. Step 4: Simplify right side
    94,234.63x = 11,467,818,031.82
  5. Step 5: Solve for x
    x = 11,467,818,031.82/94,234.63
  6. Step 6: Final answer
    x = 121,694.31

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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.