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Finding the Fourth Proportional to 235,057.61, 324,385.13 and 127,632.17

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Solution

The fourth proportional to 235,057.61, 324,385.13 and 127,632.17 is: 176,135.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,057.61 : 324,385.13 = 127,632.17 : x
  2. Step 2: Convert to fraction form
    235,057.61/324,385.13 = 127,632.17/x
  3. Step 3: Cross multiply
    235,057.61x = 324,385.13 × 127,632.17
  4. Step 4: Simplify right side
    235,057.61x = 41,401,976,754.79
  5. Step 5: Solve for x
    x = 41,401,976,754.79/235,057.61
  6. Step 6: Final answer
    x = 176,135.45

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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.