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Finding the Fourth Proportional to 104,215.42, 143,819.96 and 63,951.42

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Solution

The fourth proportional to 104,215.42, 143,819.96 and 63,951.42 is: 88,254.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,215.42 : 143,819.96 = 63,951.42 : x
  2. Step 2: Convert to fraction form
    104,215.42/143,819.96 = 63,951.42/x
  3. Step 3: Cross multiply
    104,215.42x = 143,819.96 × 63,951.42
  4. Step 4: Simplify right side
    104,215.42x = 9,197,490,666.34
  5. Step 5: Solve for x
    x = 9,197,490,666.34/104,215.42
  6. Step 6: Final answer
    x = 88,254.60

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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.