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Finding the Fourth Proportional to 255,069.76, 352,034.76 and 147,709.92

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Solution

The fourth proportional to 255,069.76, 352,034.76 and 147,709.92 is: 203,861.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,069.76 : 352,034.76 = 147,709.92 : x
  2. Step 2: Convert to fraction form
    255,069.76/352,034.76 = 147,709.92/x
  3. Step 3: Cross multiply
    255,069.76x = 352,034.76 × 147,709.92
  4. Step 4: Simplify right side
    255,069.76x = 51,999,026,236.82
  5. Step 5: Solve for x
    x = 51,999,026,236.82/255,069.76
  6. Step 6: Final answer
    x = 203,861.98

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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.