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Finding the Fourth Proportional to 104,005.44, 143,604.72 and 63,774.72

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Solution

The fourth proportional to 104,005.44, 143,604.72 and 63,774.72 is: 88,056.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,005.44 : 143,604.72 = 63,774.72 : x
  2. Step 2: Convert to fraction form
    104,005.44/143,604.72 = 63,774.72/x
  3. Step 3: Cross multiply
    104,005.44x = 143,604.72 × 63,774.72
  4. Step 4: Simplify right side
    104,005.44x = 9,158,350,808.68
  5. Step 5: Solve for x
    x = 9,158,350,808.68/104,005.44
  6. Step 6: Final answer
    x = 88,056.46

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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.