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Finding the Fourth Proportional to 104,647.77, 144,411.87 and 56,900.70

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Solution

The fourth proportional to 104,647.77, 144,411.87 and 56,900.70 is: 78,521.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,647.77 : 144,411.87 = 56,900.70 : x
  2. Step 2: Convert to fraction form
    104,647.77/144,411.87 = 56,900.70/x
  3. Step 3: Cross multiply
    104,647.77x = 144,411.87 × 56,900.70
  4. Step 4: Simplify right side
    104,647.77x = 8,217,136,491.31
  5. Step 5: Solve for x
    x = 8,217,136,491.31/104,647.77
  6. Step 6: Final answer
    x = 78,521.85

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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.