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Finding the Fourth Proportional to 147,798.46, 203,950.26 and 83,264.85

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Solution

The fourth proportional to 147,798.46, 203,950.26 and 83,264.85 is: 114,898.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,798.46 : 203,950.26 = 83,264.85 : x
  2. Step 2: Convert to fraction form
    147,798.46/203,950.26 = 83,264.85/x
  3. Step 3: Cross multiply
    147,798.46x = 203,950.26 × 83,264.85
  4. Step 4: Simplify right side
    147,798.46x = 16,981,887,041.55
  5. Step 5: Solve for x
    x = 16,981,887,041.55/147,798.46
  6. Step 6: Final answer
    x = 114,898.95

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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.