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Finding the Fourth Proportional to 104,509.91, 144,224.44 and 56,763.27

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Solution

The fourth proportional to 104,509.91, 144,224.44 and 56,763.27 is: 78,333.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,509.91 : 144,224.44 = 56,763.27 : x
  2. Step 2: Convert to fraction form
    104,509.91/144,224.44 = 56,763.27/x
  3. Step 3: Cross multiply
    104,509.91x = 144,224.44 × 56,763.27
  4. Step 4: Simplify right side
    104,509.91x = 8,186,650,686.41
  5. Step 5: Solve for x
    x = 8,186,650,686.41/104,509.91
  6. Step 6: Final answer
    x = 78,333.72

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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.