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Finding the Fourth Proportional to 252,036.01, 347,809.48 and 138,858.76

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Solution

The fourth proportional to 252,036.01, 347,809.48 and 138,858.76 is: 191,624.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,036.01 : 347,809.48 = 138,858.76 : x
  2. Step 2: Convert to fraction form
    252,036.01/347,809.48 = 138,858.76/x
  3. Step 3: Cross multiply
    252,036.01x = 347,809.48 × 138,858.76
  4. Step 4: Simplify right side
    252,036.01x = 48,296,393,109.04
  5. Step 5: Solve for x
    x = 48,296,393,109.04/252,036.01
  6. Step 6: Final answer
    x = 191,624.97

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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.