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Finding the Fourth Proportional to 118,482.72, 177,733.44 and 39,597.36

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Solution

The fourth proportional to 118,482.72, 177,733.44 and 39,597.36 is: 59,399.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,482.72 : 177,733.44 = 39,597.36 : x
  2. Step 2: Convert to fraction form
    118,482.72/177,733.44 = 39,597.36/x
  3. Step 3: Cross multiply
    118,482.72x = 177,733.44 × 39,597.36
  4. Step 4: Simplify right side
    118,482.72x = 7,037,775,007.72
  5. Step 5: Solve for x
    x = 7,037,775,007.72/118,482.72
  6. Step 6: Final answer
    x = 59,399.17

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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.