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Finding the Fourth Proportional to 117,817.93, 176,702.19 and 38,914.21

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Solution

The fourth proportional to 117,817.93, 176,702.19 and 38,914.21 is: 58,363.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,817.93 : 176,702.19 = 38,914.21 : x
  2. Step 2: Convert to fraction form
    117,817.93/176,702.19 = 38,914.21/x
  3. Step 3: Cross multiply
    117,817.93x = 176,702.19 × 38,914.21
  4. Step 4: Simplify right side
    117,817.93x = 6,876,226,129.12
  5. Step 5: Solve for x
    x = 6,876,226,129.12/117,817.93
  6. Step 6: Final answer
    x = 58,363.16

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1.5x scale

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.