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Finding the Fourth Proportional to 192,423.80, 265,479.73 and 124,526.57

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Solution

The fourth proportional to 192,423.80, 265,479.73 and 124,526.57 is: 171,804.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,423.80 : 265,479.73 = 124,526.57 : x
  2. Step 2: Convert to fraction form
    192,423.80/265,479.73 = 124,526.57/x
  3. Step 3: Cross multiply
    192,423.80x = 265,479.73 × 124,526.57
  4. Step 4: Simplify right side
    192,423.80x = 33,059,278,542.71
  5. Step 5: Solve for x
    x = 33,059,278,542.71/192,423.80
  6. Step 6: Final answer
    x = 171,804.52

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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.