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Finding the Fourth Proportional to 256,597.44, 354,090.17 and 141,869.45

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Solution

The fourth proportional to 256,597.44, 354,090.17 and 141,869.45 is: 195,771.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,597.44 : 354,090.17 = 141,869.45 : x
  2. Step 2: Convert to fraction form
    256,597.44/354,090.17 = 141,869.45/x
  3. Step 3: Cross multiply
    256,597.44x = 354,090.17 × 141,869.45
  4. Step 4: Simplify right side
    256,597.44x = 50,234,575,188.51
  5. Step 5: Solve for x
    x = 50,234,575,188.51/256,597.44
  6. Step 6: Final answer
    x = 195,771.93

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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.