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Finding the Fourth Proportional to 117,702.59, 176,528.97 and 38,798.06

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Solution

The fourth proportional to 117,702.59, 176,528.97 and 38,798.06 is: 58,188.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,702.59 : 176,528.97 = 38,798.06 : x
  2. Step 2: Convert to fraction form
    117,702.59/176,528.97 = 38,798.06/x
  3. Step 3: Cross multiply
    117,702.59x = 176,528.97 × 38,798.06
  4. Step 4: Simplify right side
    117,702.59x = 6,848,980,687.15
  5. Step 5: Solve for x
    x = 6,848,980,687.15/117,702.59
  6. Step 6: Final answer
    x = 58,188.87

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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.