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Finding the Fourth Proportional to 235,674.01, 325,173.43 and 138,881.82

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Solution

The fourth proportional to 235,674.01, 325,173.43 and 138,881.82 is: 191,623.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,674.01 : 325,173.43 = 138,881.82 : x
  2. Step 2: Convert to fraction form
    235,674.01/325,173.43 = 138,881.82/x
  3. Step 3: Cross multiply
    235,674.01x = 325,173.43 × 138,881.82
  4. Step 4: Simplify right side
    235,674.01x = 45,160,678,385.84
  5. Step 5: Solve for x
    x = 45,160,678,385.84/235,674.01
  6. Step 6: Final answer
    x = 191,623.50

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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.