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Finding the Fourth Proportional to 104,423.35, 144,104.35 and 56,676.71

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Solution

The fourth proportional to 104,423.35, 144,104.35 and 56,676.71 is: 78,213.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,423.35 : 144,104.35 = 56,676.71 : x
  2. Step 2: Convert to fraction form
    104,423.35/144,104.35 = 56,676.71/x
  3. Step 3: Cross multiply
    104,423.35x = 144,104.35 × 56,676.71
  4. Step 4: Simplify right side
    104,423.35x = 8,167,360,454.69
  5. Step 5: Solve for x
    x = 8,167,360,454.69/104,423.35
  6. Step 6: Final answer
    x = 78,213.93

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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.