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Finding the Fourth Proportional to 104,596.40, 144,344.49 and 56,849.74

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Solution

The fourth proportional to 104,596.40, 144,344.49 and 56,849.74 is: 78,453.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,596.40 : 144,344.49 = 56,849.74 : x
  2. Step 2: Convert to fraction form
    104,596.40/144,344.49 = 56,849.74/x
  3. Step 3: Cross multiply
    104,596.40x = 144,344.49 × 56,849.74
  4. Step 4: Simplify right side
    104,596.40x = 8,205,946,726.93
  5. Step 5: Solve for x
    x = 8,205,946,726.93/104,596.40
  6. Step 6: Final answer
    x = 78,453.43

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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.