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Finding the Fourth Proportional to 185,425, 255,891.53 and 104,864.57

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Solution

The fourth proportional to 185,425, 255,891.53 and 104,864.57 is: 144,715.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,425 : 255,891.53 = 104,864.57 : x
  2. Step 2: Convert to fraction form
    185,425/255,891.53 = 104,864.57/x
  3. Step 3: Cross multiply
    185,425x = 255,891.53 × 104,864.57
  4. Step 4: Simplify right side
    185,425x = 26,833,955,260.09
  5. Step 5: Solve for x
    x = 26,833,955,260.09/185,425
  6. Step 6: Final answer
    x = 144,715.95

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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.