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Finding the Fourth Proportional to 104,614.33, 144,366.06 and 56,868.88

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Solution

The fourth proportional to 104,614.33, 144,366.06 and 56,868.88 is: 78,478.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,614.33 : 144,366.06 = 56,868.88 : x
  2. Step 2: Convert to fraction form
    104,614.33/144,366.06 = 56,868.88/x
  3. Step 3: Cross multiply
    104,614.33x = 144,366.06 × 56,868.88
  4. Step 4: Simplify right side
    104,614.33x = 8,209,936,142.21
  5. Step 5: Solve for x
    x = 8,209,936,142.21/104,614.33
  6. Step 6: Final answer
    x = 78,478.12

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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.