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Finding the Fourth Proportional to 104,591.67, 144,330.50 and 56,844.63

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Solution

The fourth proportional to 104,591.67, 144,330.50 and 56,844.63 is: 78,442.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,591.67 : 144,330.50 = 56,844.63 : x
  2. Step 2: Convert to fraction form
    104,591.67/144,330.50 = 56,844.63/x
  3. Step 3: Cross multiply
    104,591.67x = 144,330.50 × 56,844.63
  4. Step 4: Simplify right side
    104,591.67x = 8,204,413,585.99
  5. Step 5: Solve for x
    x = 8,204,413,585.99/104,591.67
  6. Step 6: Final answer
    x = 78,442.32

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Double scale
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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.