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Finding the Fourth Proportional to 235,490.50, 325,006.32 and 134,888.50

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Solution

The fourth proportional to 235,490.50, 325,006.32 and 134,888.50 is: 186,162.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,490.50 : 325,006.32 = 134,888.50 : x
  2. Step 2: Convert to fraction form
    235,490.50/325,006.32 = 134,888.50/x
  3. Step 3: Cross multiply
    235,490.50x = 325,006.32 × 134,888.50
  4. Step 4: Simplify right side
    235,490.50x = 43,839,614,995.32
  5. Step 5: Solve for x
    x = 43,839,614,995.32/235,490.50
  6. Step 6: Final answer
    x = 186,162.99

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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.