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Finding the Fourth Proportional to 117,560.35, 176,340.52 and 38,653.39

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Solution

The fourth proportional to 117,560.35, 176,340.52 and 38,653.39 is: 57,980.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,560.35 : 176,340.52 = 38,653.39 : x
  2. Step 2: Convert to fraction form
    117,560.35/176,340.52 = 38,653.39/x
  3. Step 3: Cross multiply
    117,560.35x = 176,340.52 × 38,653.39
  4. Step 4: Simplify right side
    117,560.35x = 6,816,158,010.66
  5. Step 5: Solve for x
    x = 6,816,158,010.66/117,560.35
  6. Step 6: Final answer
    x = 57,980.08

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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.