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Finding the Fourth Proportional to 255,382.37, 352,374.21 and 147,946.00

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Solution

The fourth proportional to 255,382.37, 352,374.21 and 147,946.00 is: 204,134.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,382.37 : 352,374.21 = 147,946.00 : x
  2. Step 2: Convert to fraction form
    255,382.37/352,374.21 = 147,946.00/x
  3. Step 3: Cross multiply
    255,382.37x = 352,374.21 × 147,946.00
  4. Step 4: Simplify right side
    255,382.37x = 52,132,353,991.72
  5. Step 5: Solve for x
    x = 52,132,353,991.72/255,382.37
  6. Step 6: Final answer
    x = 204,134.50

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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.