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Finding the Fourth Proportional to 192,364.30, 265,385.10 and 127,864.72

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Solution

The fourth proportional to 192,364.30, 265,385.10 and 127,864.72 is: 176,401.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,364.30 : 265,385.10 = 127,864.72 : x
  2. Step 2: Convert to fraction form
    192,364.30/265,385.10 = 127,864.72/x
  3. Step 3: Cross multiply
    192,364.30x = 265,385.10 × 127,864.72
  4. Step 4: Simplify right side
    192,364.30x = 33,933,391,503.67
  5. Step 5: Solve for x
    x = 33,933,391,503.67/192,364.30
  6. Step 6: Final answer
    x = 176,401.71

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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.