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Finding the Fourth Proportional to 117,714.66, 162,445.44 and 63,999.66

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Solution

The fourth proportional to 117,714.66, 162,445.44 and 63,999.66 is: 88,319.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,714.66 : 162,445.44 = 63,999.66 : x
  2. Step 2: Convert to fraction form
    117,714.66/162,445.44 = 63,999.66/x
  3. Step 3: Cross multiply
    117,714.66x = 162,445.44 × 63,999.66
  4. Step 4: Simplify right side
    117,714.66x = 10,396,452,928.55
  5. Step 5: Solve for x
    x = 10,396,452,928.55/117,714.66
  6. Step 6: Final answer
    x = 88,319.10

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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.