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Finding the Fourth Proportional to 235,764, 325,387.26 and 151,061.49

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Solution

The fourth proportional to 235,764, 325,387.26 and 151,061.49 is: 208,485.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,764 : 325,387.26 = 151,061.49 : x
  2. Step 2: Convert to fraction form
    235,764/325,387.26 = 151,061.49/x
  3. Step 3: Cross multiply
    235,764x = 325,387.26 × 151,061.49
  4. Step 4: Simplify right side
    235,764x = 49,153,484,322.62
  5. Step 5: Solve for x
    x = 49,153,484,322.62/235,764
  6. Step 6: Final answer
    x = 208,485.96

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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.