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Finding the Fourth Proportional to 117,517.63, 162,174.33 and 63,802.65

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Solution

The fourth proportional to 117,517.63, 162,174.33 and 63,802.65 is: 88,047.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,517.63 : 162,174.33 = 63,802.65 : x
  2. Step 2: Convert to fraction form
    117,517.63/162,174.33 = 63,802.65/x
  3. Step 3: Cross multiply
    117,517.63x = 162,174.33 × 63,802.65
  4. Step 4: Simplify right side
    117,517.63x = 10,347,152,015.97
  5. Step 5: Solve for x
    x = 10,347,152,015.97/117,517.63
  6. Step 6: Final answer
    x = 88,047.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.