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Finding the Fourth Proportional to 104,577.39, 144,314.91 and 56,830.91

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Solution

The fourth proportional to 104,577.39, 144,314.91 and 56,830.91 is: 78,425.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,577.39 : 144,314.91 = 56,830.91 : x
  2. Step 2: Convert to fraction form
    104,577.39/144,314.91 = 56,830.91/x
  3. Step 3: Cross multiply
    104,577.39x = 144,314.91 × 56,830.91
  4. Step 4: Simplify right side
    104,577.39x = 8,201,546,940.29
  5. Step 5: Solve for x
    x = 8,201,546,940.29/104,577.39
  6. Step 6: Final answer
    x = 78,425.62

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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.