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Finding the Fourth Proportional to 104,300.41, 143,934.84 and 56,553.76

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Solution

The fourth proportional to 104,300.41, 143,934.84 and 56,553.76 is: 78,044.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,300.41 : 143,934.84 = 56,553.76 : x
  2. Step 2: Convert to fraction form
    104,300.41/143,934.84 = 56,553.76/x
  3. Step 3: Cross multiply
    104,300.41x = 143,934.84 × 56,553.76
  4. Step 4: Simplify right side
    104,300.41x = 8,140,056,397.00
  5. Step 5: Solve for x
    x = 8,140,056,397.00/104,300.41
  6. Step 6: Final answer
    x = 78,044.34

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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.