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Finding the Fourth Proportional to 117,592.35, 162,275.90 and 63,879.09

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Solution

The fourth proportional to 117,592.35, 162,275.90 and 63,879.09 is: 88,152.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,592.35 : 162,275.90 = 63,879.09 : x
  2. Step 2: Convert to fraction form
    117,592.35/162,275.90 = 63,879.09/x
  3. Step 3: Cross multiply
    117,592.35x = 162,275.90 × 63,879.09
  4. Step 4: Simplify right side
    117,592.35x = 10,366,036,820.93
  5. Step 5: Solve for x
    x = 10,366,036,820.93/117,592.35
  6. Step 6: Final answer
    x = 88,152.31

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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.