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Finding the Fourth Proportional to 235,062.48, 324,387.51 and 127,632.51

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Solution

The fourth proportional to 235,062.48, 324,387.51 and 127,632.51 is: 176,133.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,062.48 : 324,387.51 = 127,632.51 : x
  2. Step 2: Convert to fraction form
    235,062.48/324,387.51 = 127,632.51/x
  3. Step 3: Cross multiply
    235,062.48x = 324,387.51 × 127,632.51
  4. Step 4: Simplify right side
    235,062.48x = 41,402,392,113.95
  5. Step 5: Solve for x
    x = 41,402,392,113.95/235,062.48
  6. Step 6: Final answer
    x = 176,133.56

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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.