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Finding the Fourth Proportional to 102,627.99, 141,082.95 and 88,234.77

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Solution

The fourth proportional to 102,627.99, 141,082.95 and 88,234.77 is: 121,296.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,627.99 : 141,082.95 = 88,234.77 : x
  2. Step 2: Convert to fraction form
    102,627.99/141,082.95 = 88,234.77/x
  3. Step 3: Cross multiply
    102,627.99x = 141,082.95 × 88,234.77
  4. Step 4: Simplify right side
    102,627.99x = 12,448,421,644.17
  5. Step 5: Solve for x
    x = 12,448,421,644.17/102,627.99
  6. Step 6: Final answer
    x = 121,296.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.