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Finding the Fourth Proportional to 235,307.86, 324,726.90 and 127,877.88

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Solution

The fourth proportional to 235,307.86, 324,726.90 and 127,877.88 is: 176,472.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,307.86 : 324,726.90 = 127,877.88 : x
  2. Step 2: Convert to fraction form
    235,307.86/324,726.90 = 127,877.88/x
  3. Step 3: Cross multiply
    235,307.86x = 324,726.90 × 127,877.88
  4. Step 4: Simplify right side
    235,307.86x = 41,525,387,550.97
  5. Step 5: Solve for x
    x = 41,525,387,550.97/235,307.86
  6. Step 6: Final answer
    x = 176,472.59

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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.