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Finding the Fourth Proportional to 207,437.52, 311,141.70 and 118,412.04

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Solution

The fourth proportional to 207,437.52, 311,141.70 and 118,412.04 is: 177,609.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,437.52 : 311,141.70 = 118,412.04 : x
  2. Step 2: Convert to fraction form
    207,437.52/311,141.70 = 118,412.04/x
  3. Step 3: Cross multiply
    207,437.52x = 311,141.70 × 118,412.04
  4. Step 4: Simplify right side
    207,437.52x = 36,842,923,426.07
  5. Step 5: Solve for x
    x = 36,842,923,426.07/207,437.52
  6. Step 6: Final answer
    x = 177,609.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.