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Finding the Fourth Proportional to 104,704.84, 144,495.02 and 56,960.76

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Solution

The fourth proportional to 104,704.84, 144,495.02 and 56,960.76 is: 78,607.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,704.84 : 144,495.02 = 56,960.76 : x
  2. Step 2: Convert to fraction form
    104,704.84/144,495.02 = 56,960.76/x
  3. Step 3: Cross multiply
    104,704.84x = 144,495.02 × 56,960.76
  4. Step 4: Simplify right side
    104,704.84x = 8,230,546,155.42
  5. Step 5: Solve for x
    x = 8,230,546,155.42/104,704.84
  6. Step 6: Final answer
    x = 78,607.12

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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.