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Finding the Fourth Proportional to 104,367.74, 144,027.53 and 56,621.07

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Solution

The fourth proportional to 104,367.74, 144,027.53 and 56,621.07 is: 78,137.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,367.74 : 144,027.53 = 56,621.07 : x
  2. Step 2: Convert to fraction form
    104,367.74/144,027.53 = 56,621.07/x
  3. Step 3: Cross multiply
    104,367.74x = 144,027.53 × 56,621.07
  4. Step 4: Simplify right side
    104,367.74x = 8,154,992,858.06
  5. Step 5: Solve for x
    x = 8,154,992,858.06/104,367.74
  6. Step 6: Final answer
    x = 78,137.10

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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.