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Finding the Fourth Proportional to 255,650.95, 352,824.56 and 153,709.62

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Solution

The fourth proportional to 255,650.95, 352,824.56 and 153,709.62 is: 212,135.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,650.95 : 352,824.56 = 153,709.62 : x
  2. Step 2: Convert to fraction form
    255,650.95/352,824.56 = 153,709.62/x
  3. Step 3: Cross multiply
    255,650.95x = 352,824.56 × 153,709.62
  4. Step 4: Simplify right side
    255,650.95x = 54,232,529,044.27
  5. Step 5: Solve for x
    x = 54,232,529,044.27/255,650.95
  6. Step 6: Final answer
    x = 212,135.06

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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.