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Finding the Fourth Proportional to 104,483.30, 144,187.47 and 56,736.63

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Solution

The fourth proportional to 104,483.30, 144,187.47 and 56,736.63 is: 78,296.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,483.30 : 144,187.47 = 56,736.63 : x
  2. Step 2: Convert to fraction form
    104,483.30/144,187.47 = 56,736.63/x
  3. Step 3: Cross multiply
    104,483.30x = 144,187.47 × 56,736.63
  4. Step 4: Simplify right side
    104,483.30x = 8,180,711,136.03
  5. Step 5: Solve for x
    x = 8,180,711,136.03/104,483.30
  6. Step 6: Final answer
    x = 78,296.83

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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.