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Finding the Fourth Proportional to 104,559.54, 144,294.29 and 56,815.98

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Solution

The fourth proportional to 104,559.54, 144,294.29 and 56,815.98 is: 78,407.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,559.54 : 144,294.29 = 56,815.98 : x
  2. Step 2: Convert to fraction form
    104,559.54/144,294.29 = 56,815.98/x
  3. Step 3: Cross multiply
    104,559.54x = 144,294.29 × 56,815.98
  4. Step 4: Simplify right side
    104,559.54x = 8,198,221,494.75
  5. Step 5: Solve for x
    x = 8,198,221,494.75/104,559.54
  6. Step 6: Final answer
    x = 78,407.21

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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.