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Finding the Fourth Proportional to 255,164.54, 352,009.26 and 153,012.83

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Solution

The fourth proportional to 255,164.54, 352,009.26 and 153,012.83 is: 211,087.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,164.54 : 352,009.26 = 153,012.83 : x
  2. Step 2: Convert to fraction form
    255,164.54/352,009.26 = 153,012.83/x
  3. Step 3: Cross multiply
    255,164.54x = 352,009.26 × 153,012.83
  4. Step 4: Simplify right side
    255,164.54x = 53,861,931,298.76
  5. Step 5: Solve for x
    x = 53,861,931,298.76/255,164.54
  6. Step 6: Final answer
    x = 211,087.06

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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.