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Finding the Fourth Proportional to 255,573.51, 352,693.89 and 140,856.32

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Solution

The fourth proportional to 255,573.51, 352,693.89 and 140,856.32 is: 194,383.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,573.51 : 352,693.89 = 140,856.32 : x
  2. Step 2: Convert to fraction form
    255,573.51/352,693.89 = 140,856.32/x
  3. Step 3: Cross multiply
    255,573.51x = 352,693.89 × 140,856.32
  4. Step 4: Simplify right side
    255,573.51x = 49,679,161,668.42
  5. Step 5: Solve for x
    x = 49,679,161,668.42/255,573.51
  6. Step 6: Final answer
    x = 194,383.06

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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.