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Finding the Fourth Proportional to 108,752.58, 163,188.33 and 42,195.34

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Solution

The fourth proportional to 108,752.58, 163,188.33 and 42,195.34 is: 63,316.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,752.58 : 163,188.33 = 42,195.34 : x
  2. Step 2: Convert to fraction form
    108,752.58/163,188.33 = 42,195.34/x
  3. Step 3: Cross multiply
    108,752.58x = 163,188.33 × 42,195.34
  4. Step 4: Simplify right side
    108,752.58x = 6,885,786,951.85
  5. Step 5: Solve for x
    x = 6,885,786,951.85/108,752.58
  6. Step 6: Final answer
    x = 63,316.08

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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.