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Finding the Fourth Proportional to 118,164.44, 163,082.58 and 75,147.98

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Solution

The fourth proportional to 118,164.44, 163,082.58 and 75,147.98 is: 103,714.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,164.44 : 163,082.58 = 75,147.98 : x
  2. Step 2: Convert to fraction form
    118,164.44/163,082.58 = 75,147.98/x
  3. Step 3: Cross multiply
    118,164.44x = 163,082.58 × 75,147.98
  4. Step 4: Simplify right side
    118,164.44x = 12,255,326,460.19
  5. Step 5: Solve for x
    x = 12,255,326,460.19/118,164.44
  6. Step 6: Final answer
    x = 103,714.17

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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.