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Finding the Fourth Proportional to 168,774.30, 253,258.65 and 63,668.70

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Solution

The fourth proportional to 168,774.30, 253,258.65 and 63,668.70 is: 95,539.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,774.30 : 253,258.65 = 63,668.70 : x
  2. Step 2: Convert to fraction form
    168,774.30/253,258.65 = 63,668.70/x
  3. Step 3: Cross multiply
    168,774.30x = 253,258.65 × 63,668.70
  4. Step 4: Simplify right side
    168,774.30x = 16,124,649,009.26
  5. Step 5: Solve for x
    x = 16,124,649,009.26/168,774.30
  6. Step 6: Final answer
    x = 95,539.72

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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.