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Finding the Fourth Proportional to 255,670.37, 352,827.60 and 140,953.59

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Solution

The fourth proportional to 255,670.37, 352,827.60 and 140,953.59 is: 194,517.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,670.37 : 352,827.60 = 140,953.59 : x
  2. Step 2: Convert to fraction form
    255,670.37/352,827.60 = 140,953.59/x
  3. Step 3: Cross multiply
    255,670.37x = 352,827.60 × 140,953.59
  4. Step 4: Simplify right side
    255,670.37x = 49,732,316,342.51
  5. Step 5: Solve for x
    x = 49,732,316,342.51/255,670.37
  6. Step 6: Final answer
    x = 194,517.33

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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.