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Finding the Fourth Proportional to 113,702.58, 170,480.88 and 47,188.62

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Solution

The fourth proportional to 113,702.58, 170,480.88 and 47,188.62 is: 70,752.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,702.58 : 170,480.88 = 47,188.62 : x
  2. Step 2: Convert to fraction form
    113,702.58/170,480.88 = 47,188.62/x
  3. Step 3: Cross multiply
    113,702.58x = 170,480.88 × 47,188.62
  4. Step 4: Simplify right side
    113,702.58x = 8,044,757,463.59
  5. Step 5: Solve for x
    x = 8,044,757,463.59/113,702.58
  6. Step 6: Final answer
    x = 70,752.64

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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.