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Finding the Fourth Proportional to 239,925.60, 359,674.50 and 121,536

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Solution

The fourth proportional to 239,925.60, 359,674.50 and 121,536 is: 182,195.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,925.60 : 359,674.50 = 121,536 : x
  2. Step 2: Convert to fraction form
    239,925.60/359,674.50 = 121,536/x
  3. Step 3: Cross multiply
    239,925.60x = 359,674.50 × 121,536
  4. Step 4: Simplify right side
    239,925.60x = 43,713,400,032
  5. Step 5: Solve for x
    x = 43,713,400,032/239,925.60
  6. Step 6: Final answer
    x = 182,195.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.