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Finding the Fourth Proportional to 104,525.92, 144,248.90 and 56,782.50

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Solution

The fourth proportional to 104,525.92, 144,248.90 and 56,782.50 is: 78,361.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,525.92 : 144,248.90 = 56,782.50 : x
  2. Step 2: Convert to fraction form
    104,525.92/144,248.90 = 56,782.50/x
  3. Step 3: Cross multiply
    104,525.92x = 144,248.90 × 56,782.50
  4. Step 4: Simplify right side
    104,525.92x = 8,190,813,164.25
  5. Step 5: Solve for x
    x = 8,190,813,164.25/104,525.92
  6. Step 6: Final answer
    x = 78,361.55

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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.